{"product_id":"mthelmets-thunder-4-sv-full-face-motorcycle-helmet","title":"MTHELMETS Thunder 4 SV Full Face Motorcycle Helmet","description":"\u003cstyle\u003e\n    *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }\n    :root {\n      --black:#222222; --dark:#222222; --card:#252525; --mid:#2e2e2e;\n      --border:#383838; --muted:#666; --text:#919191; --light:#ffffff;\n      --red:#497642; --red-h:#579150; --silver:#919191;\n      --font-d:'Rajdhani',sans-serif; --font-b:'Inter',sans-serif;\n    }\n    html { -webkit-text-size-adjust:100%; }\n    .moto-desc-root { display:block; width:100%; max-width:100%; margin:0; padding:0; box-sizing:border-box; overflow-x:hidden; font-family:var(--font-b); font-size:14px; line-height:1.65; color:var(--text); background:var(--black); }\n    .moto-desc-root .hero { background:var(--dark); border-bottom:1px solid var(--border); padding:28px 20px 24px; position:relative; overflow:hidden; }\n    .moto-desc-root .hero::before { content:''; position:absolute; top:0; left:0; right:0; height:3px; background:linear-gradient(90deg,var(--red) 0%,transparent 60%); }\n    .moto-desc-root .hero::after { content:''; position:absolute; top:-80px; right:-100px; width:480px; height:480px; background:radial-gradient(circle,rgba(73,118,66,0.12) 0%,transparent 65%); pointer-events:none; }\n    .moto-desc-root .hero-inner { max-width:820px; position:relative; z-index:1; }\n    .moto-desc-root .eyebrow { font-family:var(--font-d); font-size:clamp(9px,1.5vw,11px); font-weight:600; letter-spacing:0.2em; text-transform:uppercase; color:var(--red); margin-bottom:12px; display:flex; align-items:center; gap:10px; flex-wrap:wrap; }\n    .moto-desc-root .eyebrow::after { content:''; flex:1; height:1px; background:var(--border); max-width:80px; min-width:20px; }\n    .moto-desc-root .hero h1 { font-family:var(--font-d); font-size:clamp(28px,6vw,58px); font-weight:700; color:var(--light); line-height:1.05; letter-spacing:0.01em; margin-bottom:8px; }\n    .moto-desc-root .hero h1 em { color:var(--red); font-style:normal; }\n    .moto-desc-root .hero-sub { font-family:var(--font-d); font-size:clamp(11px,2vw,18px); font-weight:500; color:var(--silver); letter-spacing:0.06em; text-transform:uppercase; margin-bottom:18px; line-height:1.5; }\n    .moto-desc-root .hero-desc { font-size:clamp(12px,1.8vw,13.5px); color:#6a6a6a; max-width:620px; line-height:1.85; margin-bottom:24px; }\n    .moto-desc-root .tag-row { display:flex; flex-wrap:wrap; gap:6px; }\n    .moto-desc-root .tag { font-family:var(--font-d); font-size:clamp(9px,1.5vw,11px); font-weight:600; letter-spacing:0.07em; text-transform:uppercase; padding:4px 10px; border-radius:2px; }\n    .moto-desc-root .tag-red { background:var(--red); color:#fff; }\n    .moto-desc-root .tag-ghost { background:transparent; color:var(--muted); border:1px solid var(--border); }\n    .moto-desc-root .tag-ghost:hover { border-color:var(--red); color:var(--red); transition:all 0.2s; }\n    .moto-desc-root .content { max-width:100%; margin:0; padding:24px 20px; }\n    .moto-desc-root .block { margin-bottom:clamp(36px,6vw,56px); }\n    .moto-desc-root .slbl { font-family:var(--font-d); font-size:11px; font-weight:600; letter-spacing:0.22em; text-transform:uppercase; color:var(--red); margin-bottom:18px; display:flex; align-items:center; gap:12px; }\n    .moto-desc-root .slbl::after { content:''; flex:1; height:1px; background:var(--border); }\n    .moto-desc-root .lp-tech-badges { display:flex; flex-wrap:wrap; gap:20px; margin-bottom:32px; }\n    .moto-desc-root .lp-tech-item { display:flex; flex-direction:column; align-items:center; gap:10px; flex:0 0 auto; }\n    .moto-desc-root .lp-tech-box { width:80px; height:80px; border-radius:14px; border:2.5px solid #333; background:#f8f8f8; display:flex; align-items:center; justify-content:center; transition:border-color 0.2s,box-shadow 0.2s; }\n    .moto-desc-root .lp-tech-box:hover { border-color:var(--red); box-shadow:0 0 0 1px var(--red); }\n    .moto-desc-root .lp-tech-label { font-size:10px; color:var(--muted); text-align:center; line-height:1.4; font-weight:700; letter-spacing:0.06em; text-transform:uppercase; max-width:80px; }\n    .moto-desc-root .tech-grid { display:grid; grid-template-columns:repeat(auto-fit,minmax(160px,1fr)); gap:1px; background:var(--border); border:1px solid var(--border); border-radius:3px; overflow:hidden; margin-bottom:24px; }\n    .moto-desc-root .tech-cell { background:var(--card); padding:clamp(14px,3vw,22px) clamp(12px,2.5vw,18px); text-align:center; transition:background 0.18s; }\n    .moto-desc-root .tech-cell:hover { background:var(--mid); }\n    .moto-desc-root .tech-icon { font-size:clamp(20px,3vw,24px); margin-bottom:8px; display:block; }\n    .moto-desc-root .tech-title { font-family:var(--font-d); font-size:clamp(13px,2vw,16px); font-weight:700; color:var(--light); margin-bottom:4px; letter-spacing:0.02em; }\n    .moto-desc-root .tech-sub { font-size:clamp(10px,1.5vw,11px); color:var(--muted); line-height:1.4; }\n    .moto-desc-root .highlight-strip { display:grid; grid-template-columns:repeat(auto-fit,minmax(160px,1fr)); gap:1px; background:var(--border); border:1px solid var(--border); border-radius:3px; overflow:hidden; margin-bottom:24px; }\n    .moto-desc-root .hl-cell { background:var(--card); padding:clamp(14px,3vw,22px) clamp(12px,2.5vw,18px); transition:background 0.18s; }\n    .moto-desc-root .hl-cell:hover { background:var(--mid); }\n    .moto-desc-root .hl-no { font-family:var(--font-d); font-size:10px; font-weight:700; letter-spacing:0.18em; text-transform:uppercase; color:var(--red); margin-bottom:6px; }\n    .moto-desc-root .hl-title { font-family:var(--font-d); font-size:clamp(12px,2vw,15px); font-weight:700; color:var(--light); margin-bottom:5px; letter-spacing:0.03em; text-transform:uppercase; }\n    .moto-desc-root .hl-desc { font-size:clamp(10px,1.5vw,12px); color:var(--muted); line-height:1.55; }\n    .moto-desc-root .detail-grid { display:grid; grid-template-columns:repeat(auto-fit,minmax(180px,1fr)); gap:1px; background:var(--border); border:1px solid var(--border); border-radius:3px; overflow:hidden; }\n    .moto-desc-root .detail-cell { background:var(--card); padding:clamp(14px,3vw,22px) clamp(12px,2.5vw,20px); display:flex; gap:12px; align-items:flex-start; transition:background 0.15s; }\n    .moto-desc-root .detail-cell:hover { background:var(--mid); }\n    .moto-desc-root .detail-num { font-family:var(--font-d); font-size:clamp(20px,3vw,28px); font-weight:700; color:var(--border); line-height:1; flex-shrink:0; min-width:26px; }\n    .moto-desc-root .detail-title { font-family:var(--font-d); font-size:clamp(11px,1.8vw,13px); font-weight:700; color:var(--light); margin-bottom:3px; letter-spacing:0.05em; text-transform:uppercase; }\n    .moto-desc-root .detail-desc { font-size:clamp(10px,1.5vw,11.5px); color:var(--muted); line-height:1.5; }\n    .moto-desc-root .attr-grid { display:grid; grid-template-columns:repeat(auto-fit,minmax(120px,1fr)); gap:1px; background:var(--border); border:1px solid var(--border); border-radius:3px; overflow:hidden; margin-bottom:24px; }\n    .moto-desc-root .attr-cell { background:var(--card); padding:clamp(14px,2.5vw,20px) clamp(12px,2.5vw,22px); }\n    .moto-desc-root .attr-lbl { font-size:clamp(9px,1.4vw,11px); color:var(--muted); margin-bottom:5px; text-transform:uppercase; letter-spacing:0.06em; }\n    .moto-desc-root .attr-val { font-family:var(--font-d); font-size:clamp(14px,2.5vw,20px); font-weight:700; color:var(--light); letter-spacing:0.01em; line-height:1.2; }\n    .moto-desc-root .attr-val.small { font-size:clamp(12px,2vw,15px); }\n    .moto-desc-root .glance-list { list-style:none; }\n    .moto-desc-root .glance-item { display:flex; gap:14px; padding:12px 0; border-bottom:1px solid var(--border); font-size:clamp(12px,1.8vw,13.5px); line-height:1.65; }\n    .moto-desc-root .glance-item:first-child { border-top:1px solid var(--border); }\n    .moto-desc-root .g-dot { width:5px; height:5px; background:var(--red); border-radius:50%; flex-shrink:0; margin-top:9px; }\n    .moto-desc-root .glance-item strong { color:var(--light); }\n    .moto-desc-root .chart-wrap { overflow-x:auto; border:1px solid var(--border); border-radius:3px; margin-top:16px; -webkit-overflow-scrolling:touch; }\n    .moto-desc-root .chart-wrap table { width:100%; border-collapse:collapse; font-size:12px; min-width:260px; }\n    .moto-desc-root .chart-wrap th { background:var(--mid); color:var(--light); font-family:var(--font-d); font-weight:600; letter-spacing:0.06em; text-transform:uppercase; font-size:10px; padding:10px 12px; text-align:center; border-bottom:1px solid var(--border); white-space:nowrap; }\n    .moto-desc-root .chart-wrap td { background:var(--card); padding:9px 12px; border-bottom:1px solid var(--border); color:var(--text); white-space:nowrap; text-align:center; }\n    .moto-desc-root .chart-wrap tr:last-child td { border-bottom:none; }\n    .moto-desc-root .chart-wrap td:first-child { font-weight:600; color:var(--light); text-align:left; }\n    .moto-desc-root .chart-wrap th:first-child { text-align:left; }\n    .moto-desc-root .chart-note { font-size:11px; color:var(--muted); margin-top:8px; padding:0 2px; line-height:1.6; }\n    .moto-desc-root .specs-grid { display:grid; grid-template-columns:1fr; gap:1px; background:var(--border); border:1px solid var(--border); border-radius:3px; overflow:hidden; }\n    .moto-desc-root .spec-row { background:var(--card); padding:11px 16px; display:flex; gap:10px; align-items:baseline; transition:background 0.15s; min-width:0; overflow:hidden; }\n    .moto-desc-root .spec-row:hover { background:var(--mid); }\n    .moto-desc-root .spec-k { font-family:var(--font-d); font-size:10px; font-weight:600; letter-spacing:0.07em; text-transform:uppercase; color:var(--muted); width:140px; flex-shrink:0; line-height:1.4; }\n    .moto-desc-root .spec-v { font-size:12.5px; font-weight:500; color:var(--light); min-width:0; word-break:break-word; overflow-wrap:anywhere; line-height:1.5; }\n    .moto-desc-root .pkg-grid { display:grid; grid-template-columns:repeat(auto-fit,minmax(180px,1fr)); gap:1px; background:var(--border); border:1px solid var(--border); border-radius:3px; overflow:hidden; }\n    .moto-desc-root .pkg-cell { background:var(--card); padding:18px 16px; display:flex; align-items:center; gap:12px; transition:background 0.15s; }\n    .moto-desc-root .pkg-cell:hover { background:var(--mid); }\n    .moto-desc-root .pkg-icon { font-size:20px; flex-shrink:0; }\n    .moto-desc-root .pkg-text { font-size:clamp(12px,1.8vw,13px); color:var(--light); font-weight:500; line-height:1.4; }\n    .moto-desc-root .cta-bar { border-top:1px solid var(--border); padding-top:28px; display:flex; align-items:center; justify-content:space-between; flex-wrap:wrap; gap:18px; }\n    .moto-desc-root .cta-bar p { font-size:clamp(12px,1.8vw,14px); color:var(--muted); max-width:520px; line-height:1.8; }\n    .moto-desc-root .cta-bar p strong { color:var(--light); }\n    .moto-desc-root .btn { display:inline-flex; align-items:center; gap:8px; background:var(--red); color:#fff; font-family:var(--font-d); font-size:clamp(11px,1.8vw,13px); font-weight:700; letter-spacing:0.12em; text-transform:uppercase; padding:12px 24px; border:none; border-radius:2px; cursor:pointer; text-decoration:none; transition:background 0.2s,transform 0.1s; white-space:nowrap; }\n    .moto-desc-root .btn:hover { background:var(--red-h); transform:translateY(-1px); }\n    @media (min-width:641px) and (max-width:900px) {\n      .moto-desc-root .tech-grid { grid-template-columns:repeat(2,1fr); }\n      .moto-desc-root .highlight-strip { grid-template-columns:repeat(2,1fr); }\n      .moto-desc-root .detail-grid { grid-template-columns:repeat(2,1fr); }\n      .moto-desc-root .spec-k { width:160px; }\n    }\n    @media (max-width:640px) {\n      .moto-desc-root .tech-grid { grid-template-columns:1fr 1fr; }\n      .moto-desc-root .highlight-strip { grid-template-columns:repeat(auto-fit,minmax(140px,1fr)); }\n      .moto-desc-root .detail-grid { grid-template-columns:1fr; }\n      .moto-desc-root .spec-row { padding:10px 14px; }\n      .moto-desc-root .spec-k { width:110px; font-size:9px; }\n      .moto-desc-root .spec-v { font-size:12px; }\n      .moto-desc-root .cta-bar { flex-direction:column; align-items:flex-start; }\n      .moto-desc-root .btn { width:100%; justify-content:center; }\n      .moto-desc-root .lp-tech-badges { gap:12px; justify-content:center; }\n      .moto-desc-root .lp-tech-box { width:68px; height:68px; }\n    }\n    @media (max-width:400px) {\n      .moto-desc-root .tech-grid { grid-template-columns:1fr; }\n      .moto-desc-root .highlight-strip { grid-template-columns:1fr; }\n      .moto-desc-root .spec-row { flex-direction:column; gap:2px; padding:10px 12px; }\n      .moto-desc-root .spec-k { width:100%; font-size:9px; }\n      .moto-desc-root .tag { font-size:9px; padding:3px 8px; }\n    }\n\u003c\/style\u003e\n\u003cdiv class=\"moto-desc-root\"\u003e\n\u003c!-- HERO --\u003e\n\u003cdiv class=\"hero\"\u003e\n\u003cdiv class=\"hero-inner\"\u003e\n\u003cdiv class=\"eyebrow\"\u003eMTHELMETS · THUNDER 4 SV · Full Face · ABS Shell · DOT + ECE + CCC · Unisex · S–4XL · 2.86kg · Guangdong\u003c\/div\u003e\n\u003ch1\u003e\n\u003cem\u003eMTHELMETS Thunder 4 SV\u003c\/em\u003e\u003cbr\u003eFull Face Motorcycle\u003cbr\u003eHelmet\u003c\/h1\u003e\n\u003cdiv class=\"hero-sub\"\u003eDOT + ECE + CCC · ABS Shell · Clear Visor · Quick-Release · Polyester Lining · Unisex · S–4XL\u003c\/div\u003e\n\u003cp class=\"hero-desc\"\u003eThe Thunder 4 SV shares the MTHELMETS platform — ABS shell, EPS liner, DOT\/ECE\/CCC triple certification, quick-release chin strap, clear visor, and polyester comfort lining — and extends it with one additional size step: 4XL at 67–68cm head circumference, which the JARAMA (S–3XL) does not offer. Riders at the upper end of the size range who cannot find a certified full-face at 4XL will find the Thunder 4 SV's extra size meaningful. OEM and ODM production are supported across all seven sizes.\u003c\/p\u003e\n\u003cdiv class=\"tag-row\"\u003e\n\u003cspan class=\"tag tag-red\"\u003e● DOT + ECE + CCC\u003c\/span\u003e \u003cspan class=\"tag tag-ghost\"\u003eABS Shell\u003c\/span\u003e \u003cspan class=\"tag tag-ghost\"\u003eFull Face\u003c\/span\u003e \u003cspan class=\"tag tag-ghost\"\u003eClear Visor\u003c\/span\u003e \u003cspan class=\"tag tag-ghost\"\u003eQuick-Release\u003c\/span\u003e \u003cspan class=\"tag tag-ghost\"\u003ePolyester Lining\u003c\/span\u003e \u003cspan class=\"tag tag-ghost\"\u003eAll-Season\u003c\/span\u003e \u003cspan class=\"tag tag-ghost\"\u003eUnisex\u003c\/span\u003e \u003cspan class=\"tag tag-ghost\"\u003eS – 4XL\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"content\"\u003e\n\u003c!-- TECH BADGES --\u003e\n\u003cdiv class=\"block\"\u003e\n\u003cdiv class=\"lp-tech-badges\"\u003e\n\u003cdiv class=\"lp-tech-item\"\u003e\n\u003cdiv class=\"lp-tech-box\"\u003e\u003csvg fill=\"none\" viewbox=\"0 0 48 48\" height=\"48\" width=\"48\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"\u003e\n          \u003cpath stroke-linejoin=\"round\" fill=\"none\" stroke-width=\"2.5\" stroke=\"#111\" d=\"M24 5 L36 11 L36 26 Q36 37 24 43 Q12 37 12 26 L12 11 Z\"\u003e\u003c\/path\u003e\n          \u003ctext fill=\"#111\" font-weight=\"800\" font-size=\"8\" font-family=\"Arial, sans-serif\" y=\"22\" x=\"14\"\u003eDOT\u003c\/text\u003e\n          \u003ctext fill=\"#111\" font-weight=\"800\" font-size=\"8\" font-family=\"Arial, sans-serif\" y=\"32\" x=\"14\"\u003eECE\u003c\/text\u003e\n        \u003c\/svg\u003e\u003c\/div\u003e\n\u003cspan class=\"lp-tech-label\"\u003eDOT \/ ECE \/ CCC\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"lp-tech-item\"\u003e\n\u003cdiv class=\"lp-tech-box\"\u003e\u003csvg fill=\"none\" viewbox=\"0 0 48 48\" height=\"48\" width=\"48\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"\u003e\n          \u003cpath stroke-linejoin=\"round\" fill=\"none\" stroke-width=\"2.5\" stroke=\"#111\" d=\"M10 30 Q10 14 24 12 Q38 14 38 30 L38 40 L10 40 Z\"\u003e\u003c\/path\u003e\n          \u003cpath stroke-linecap=\"round\" fill=\"none\" stroke-width=\"2\" stroke=\"#111\" d=\"M16 32 Q16 22 24 20 Q32 22 32 32\"\u003e\u003c\/path\u003e\n          \u003cpath opacity=\"0.5\" stroke-linecap=\"round\" fill=\"none\" stroke-width=\"1.5\" stroke=\"#111\" d=\"M18 26 Q24 23 30 26\"\u003e\u003c\/path\u003e\n        \u003c\/svg\u003e\u003c\/div\u003e\n\u003cspan class=\"lp-tech-label\"\u003eABS Shell\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"lp-tech-item\"\u003e\n\u003cdiv class=\"lp-tech-box\"\u003e\u003csvg fill=\"none\" viewbox=\"0 0 48 48\" height=\"48\" width=\"48\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"\u003e\n          \u003cpath stroke-linejoin=\"round\" fill=\"none\" stroke-width=\"2.5\" stroke=\"#111\" d=\"M8 28 Q8 12 24 10 Q40 12 40 28 L40 38 L8 38 Z\"\u003e\u003c\/path\u003e\n          \u003cpath stroke-linejoin=\"round\" fill=\"none\" stroke-width=\"2\" stroke=\"#111\" d=\"M14 22 Q14 18 24 17 Q34 18 34 22 L34 28 L14 28 Z\"\u003e\u003c\/path\u003e\n          \u003cpath stroke-linecap=\"round\" stroke-width=\"2\" stroke=\"#111\" d=\"M8 38 L40 38\"\u003e\u003c\/path\u003e\n        \u003c\/svg\u003e\u003c\/div\u003e\n\u003cspan class=\"lp-tech-label\"\u003eFull Face\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"lp-tech-item\"\u003e\n\u003cdiv class=\"lp-tech-box\"\u003e\u003csvg fill=\"none\" viewbox=\"0 0 48 48\" height=\"48\" width=\"48\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"\u003e\n          \u003ccircle fill=\"none\" stroke-width=\"2.5\" stroke=\"#111\" r=\"12\" cy=\"24\" cx=\"24\"\u003e\u003c\/circle\u003e\n          \u003cpath fill=\"none\" stroke-linejoin=\"round\" stroke-linecap=\"round\" stroke-width=\"2.5\" stroke=\"#111\" d=\"M20 18 L28 24 L20 30\"\u003e\u003c\/path\u003e\n          \u003cpath stroke-linecap=\"round\" stroke-width=\"2\" stroke=\"#111\" d=\"M30 16 L36 10\"\u003e\u003c\/path\u003e\n          \u003cpath stroke-linejoin=\"round\" stroke-linecap=\"round\" stroke-width=\"2\" stroke=\"#111\" d=\"M33 8 L36 10 L34 13\"\u003e\u003c\/path\u003e\n        \u003c\/svg\u003e\u003c\/div\u003e\n\u003cspan class=\"lp-tech-label\"\u003eQuick Release\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"lp-tech-item\"\u003e\n\u003cdiv class=\"lp-tech-box\"\u003e\u003csvg fill=\"none\" viewbox=\"0 0 48 48\" height=\"48\" width=\"48\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"\u003e\n          \u003cpath stroke-linejoin=\"round\" fill=\"none\" stroke-width=\"2.5\" stroke=\"#111\" d=\"M6 20 Q6 14 24 14 Q42 14 42 20 L42 28 Q42 34 24 34 Q6 34 6 28 Z\"\u003e\u003c\/path\u003e\n          \u003cpath opacity=\"0.4\" stroke-linejoin=\"round\" fill=\"none\" stroke-width=\"1.5\" stroke=\"#111\" d=\"M8 22 Q8 18 24 18 Q40 18 40 22 L40 26 Q40 30 24 30 Q8 30 8 26 Z\"\u003e\u003c\/path\u003e\n        \u003c\/svg\u003e\u003c\/div\u003e\n\u003cspan class=\"lp-tech-label\"\u003eClear Visor\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"lp-tech-item\"\u003e\n\u003cdiv class=\"lp-tech-box\"\u003e\u003csvg fill=\"none\" viewbox=\"0 0 48 48\" height=\"48\" width=\"48\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"\u003e\n          \u003cpath fill=\"none\" stroke-linecap=\"round\" stroke-width=\"2.5\" stroke=\"#111\" d=\"M8 20 Q14 14 20 20 Q26 26 32 20 Q38 14 44 20\"\u003e\u003c\/path\u003e\n          \u003cpath opacity=\"0.5\" fill=\"none\" stroke-linecap=\"round\" stroke-width=\"2\" stroke=\"#111\" d=\"M8 30 Q14 24 20 30 Q26 36 32 30 Q38 24 44 30\"\u003e\u003c\/path\u003e\n        \u003c\/svg\u003e\u003c\/div\u003e\n\u003cspan class=\"lp-tech-label\"\u003eComfort Lining\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"lp-tech-item\"\u003e\n\u003cdiv class=\"lp-tech-box\"\u003e\u003csvg fill=\"none\" viewbox=\"0 0 48 48\" height=\"48\" width=\"48\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"\u003e\n          \u003ccircle fill=\"none\" stroke-width=\"2.5\" stroke=\"#111\" r=\"10\" cy=\"24\" cx=\"24\"\u003e\u003c\/circle\u003e\n          \u003cpath opacity=\"0.7\" fill=\"#111\" d=\"M24 14 Q28 19 24 24 Q20 19 24 14Z\"\u003e\u003c\/path\u003e\n          \u003cpath opacity=\"0.5\" fill=\"#111\" d=\"M34 24 Q29 28 24 24 Q29 20 34 24Z\"\u003e\u003c\/path\u003e\n          \u003cpath opacity=\"0.3\" fill=\"#111\" d=\"M24 34 Q20 29 24 24 Q28 29 24 34Z\"\u003e\u003c\/path\u003e\n          \u003cpath opacity=\"0.2\" fill=\"#111\" d=\"M14 24 Q19 20 24 24 Q19 28 14 24Z\"\u003e\u003c\/path\u003e\n        \u003c\/svg\u003e\u003c\/div\u003e\n\u003cspan class=\"lp-tech-label\"\u003eAll-Season\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"lp-tech-item\"\u003e\n\u003cdiv class=\"lp-tech-box\"\u003e\u003csvg fill=\"none\" viewbox=\"0 0 48 48\" height=\"48\" width=\"48\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"\u003e\n          \u003ccircle fill=\"none\" stroke-width=\"2.5\" stroke=\"#111\" r=\"6\" cy=\"16\" cx=\"16\"\u003e\u003c\/circle\u003e\n          \u003ccircle fill=\"none\" stroke-width=\"2.5\" stroke=\"#111\" r=\"6\" cy=\"16\" cx=\"32\"\u003e\u003c\/circle\u003e\n          \u003cpath fill=\"none\" stroke-linecap=\"round\" stroke-width=\"2.5\" stroke=\"#111\" d=\"M10 34 Q10 26 16 26 L32 26 Q38 26 38 34\"\u003e\u003c\/path\u003e\n        \u003c\/svg\u003e\u003c\/div\u003e\n\u003cspan class=\"lp-tech-label\"\u003eUnisex Fit\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- THUNDER 4 SV vs JARAMA — what's different --\u003e\n\u003cdiv class=\"block\"\u003e\n\u003cdiv class=\"slbl\"\u003eThunder 4 SV vs JARAMA — Key Differences\u003c\/div\u003e\n\u003cdiv class=\"tech-grid\"\u003e\n\u003cdiv class=\"tech-cell\"\u003e\n\u003cspan class=\"tech-icon\"\u003e📐\u003c\/span\u003e\n\u003cdiv class=\"tech-title\"\u003e4XL Size — 67–68cm\u003c\/div\u003e\n\u003cdiv class=\"tech-sub\"\u003eThe Thunder 4 SV's defining difference from the JARAMA is the 4XL size: 67–68cm head circumference. The JARAMA tops out at 3XL (65–66cm). Full-face helmets in certified construction at 4XL are uncommon at accessible price points — riders who measure 67–68cm and have struggled to find a DOT\/ECE\/CCC certified full-face will find the Thunder 4 SV's 4XL specifically addresses this gap.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tech-cell\"\u003e\n\u003cspan class=\"tech-icon\"\u003e📦\u003c\/span\u003e\n\u003cdiv class=\"tech-title\"\u003eLarger Package — 44 × 31 × 33 cm\u003c\/div\u003e\n\u003cdiv class=\"tech-sub\"\u003eThe Thunder 4 SV ships in a 44 × 31 × 33 cm package at 2.86 kg gross, compared to the JARAMA's 39 × 30.5 × 32 cm at 2.505 kg. The additional package volume and weight accommodate the larger shell geometry required to produce the 3XL and 4XL sizes. The actual helmet weight is considerably lower than the gross packaging weight.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tech-cell\"\u003e\n\u003cspan class=\"tech-icon\"\u003e🪖\u003c\/span\u003e\n\u003cdiv class=\"tech-title\"\u003eShared Construction — ABS Shell + EPS\u003c\/div\u003e\n\u003cdiv class=\"tech-sub\"\u003eThe Thunder 4 SV uses the same core construction as the JARAMA: injection-moulded ABS outer shell distributes impact force to the EPS liner beneath. The ABS shell must remain structurally intact to perform its load-spreading function — a crack after any significant impact, even invisible against the painted surface, eliminates this. Replace after any crash regardless of appearance.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tech-cell\"\u003e\n\u003cspan class=\"tech-icon\"\u003e🏅\u003c\/span\u003e\n\u003cdiv class=\"tech-title\"\u003eSame Triple Certification\u003c\/div\u003e\n\u003cdiv class=\"tech-sub\"\u003eDOT (US self-declaration), ECE R22 (pre-market independent laboratory testing), and CCC (China mandatory pre-market testing). The ECE certification is the most meaningful for independent verification — it requires a third-party lab to test impact attenuation, retention, and field-of-view before the helmet reaches the market. Riders in ECE-regulated markets benefit most from this certification. All three apply to both the JARAMA and the Thunder 4 SV.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tech-cell\"\u003e\n\u003cspan class=\"tech-icon\"\u003e⚡\u003c\/span\u003e\n\u003cdiv class=\"tech-title\"\u003eQuick-Release + Clear Visor\u003c\/div\u003e\n\u003cdiv class=\"tech-sub\"\u003eQuick-release allows gloved operation without D-ring threading — confirm the buckle click-locks fully before every ride. Emergency responders use the quick-release to remove the helmet without rotating it, critical if spinal injury is suspected. The clear visor provides full light transmission across all conditions; the visor's perimeter gasket is the primary source of wind noise if it hardens with age — inspect annually and replace if it has lost compression at any point.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tech-cell\"\u003e\n\u003cspan class=\"tech-icon\"\u003e📏\u003c\/span\u003e\n\u003cdiv class=\"tech-title\"\u003eSeven Sizes — S to 4XL\u003c\/div\u003e\n\u003cdiv class=\"tech-sub\"\u003eThe Thunder 4 SV covers seven sizes from S (55–56cm) to 4XL (67–68cm). At the upper end, head shape variation is more pronounced than at medium sizes — a 67cm oval skull and a 67cm round skull both measure 4XL but may not fit the same EPS mould equally well. Measure circumference at the widest skull point three times and use the largest reading. Confirm the EPS sits without persistent local pressure before the return window closes.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- KEY HIGHLIGHTS — Thunder 4 SV specific --\u003e\n\u003cdiv class=\"block\"\u003e\n\u003cdiv class=\"slbl\"\u003eKey Highlights\u003c\/div\u003e\n\u003cdiv class=\"highlight-strip\"\u003e\n\u003cdiv class=\"hl-cell\"\u003e\n\u003cdiv class=\"hl-no\"\u003eNo. 1\u003c\/div\u003e\n\u003cdiv class=\"hl-title\"\u003e4XL Certified Full-Face — Why It Matters\u003c\/div\u003e\n\u003cdiv class=\"hl-desc\"\u003eMost certified full-face helmets from mainstream brands cap at XL or XXL (61–64cm). The 3XL–4XL range at 65–68cm is underserved — riders who measure in this range often compromise on certification level, helmet type, or both. The Thunder 4 SV's DOT\/ECE\/CCC certification at 4XL means riders at 67–68cm do not have to accept an uncertified helmet or an open-face design simply due to size availability. If the JARAMA covers your head circumference at S–3XL, the Thunder 4 SV offers no additional advantage over it.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hl-cell\"\u003e\n\u003cdiv class=\"hl-no\"\u003eNo. 2\u003c\/div\u003e\n\u003cdiv class=\"hl-title\"\u003eFit at Large Sizes — Measure Three Times\u003c\/div\u003e\n\u003cdiv class=\"hl-desc\"\u003eAt the 3XL and 4XL sizes (65–68cm), head shape variation is more pronounced than at medium sizes — oval, round, and intermediate head profiles all exist in this circumference range. The Thunder 4 SV's EPS mould may fit some 66cm skulls comfortably and others not, even at the same circumference. Measure at the widest skull point (above eyebrows, over ears, around the occipital protrusion at the rear) three times and use the largest reading. At 3XL\/4XL especially, confirm the EPS shape fits your skull without persistent local pressure points before committing to the size.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hl-cell\"\u003e\n\u003cdiv class=\"hl-no\"\u003eNo. 3\u003c\/div\u003e\n\u003cdiv class=\"hl-title\"\u003eCorrect Fit — Snug and Even, Not Comfortable\u003c\/div\u003e\n\u003cdiv class=\"hl-desc\"\u003eA correctly fitted helmet feels firm and applies even pressure around the skull with no gaps between EPS and skull. If it feels comfortable immediately, it is almost certainly too large — the liner has not compressed to fill the space and the EPS is not in full contact with the skull. An oversized helmet rotates in a crash, exposing unprotected areas at impact. Specific pressure points that persist beyond 20 minutes indicate a head-shape mismatch for this mould — the solution is a different model, not a larger size.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hl-cell\"\u003e\n\u003cdiv class=\"hl-no\"\u003eNo. 4\u003c\/div\u003e\n\u003cdiv class=\"hl-title\"\u003eVisor Lock and Chin Strap — Pre-Ride Checks\u003c\/div\u003e\n\u003cdiv class=\"hl-desc\"\u003eBefore every highway ride: close the visor and apply upward hand pressure — if it moves, the lock is not engaged and the visor can open aerodynamically at speed with no recovery time. Check the chin strap two-finger gap — two fingers between strap underside and chin. Three fingers or more allows the helmet to rotate forward under frontal impact. One finger or less restricts blood flow. The gap setting changes with different jacket collar heights, so recheck when changing riding gear.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hl-cell\"\u003e\n\u003cdiv class=\"hl-no\"\u003eNo. 5\u003c\/div\u003e\n\u003cdiv class=\"hl-title\"\u003eReplace After Any Crash or Hard Drop\u003c\/div\u003e\n\u003cdiv class=\"hl-desc\"\u003eABS shell internal fractures and EPS liner cellular crush both occur without visible external evidence. A drop from handlebar height onto concrete or a crash at any riding speed is sufficient to compromise both layers. The triple certification (DOT, ECE, CCC) applies to a new, unimpacted helmet. After any significant impact, the helmet provides unknown and likely reduced protection — replace before riding again. This applies equally to the Thunder 4 SV and JARAMA.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hl-cell\"\u003e\n\u003cdiv class=\"hl-no\"\u003eNo. 6\u003c\/div\u003e\n\u003cdiv class=\"hl-title\"\u003eHelmet Lifespan — 5 Years from Manufacture\u003c\/div\u003e\n\u003cdiv class=\"hl-desc\"\u003eReplace every 5 years regardless of crash history: ABS brittleness increases with UV exposure over time, EPS cellular structure gradually hardens reducing energy absorption compliance, and skin oils in the comfort lining degrade adhesive bonds to the EPS. Helmets used in regular sun and outdoor conditions age faster than infrequently used ones. The manufacture date (typically on an internal label) is the reference date, not the purchase date. At 3XL and 4XL, replacement options may be more limited — identify a replacement model before the current helmet's service life expires.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- CONSTRUCTION ZONE DETAIL --\u003e\n\u003cdiv class=\"block\"\u003e\n\u003cdiv class=\"slbl\"\u003eConstruction Zone Detail\u003c\/div\u003e\n\u003cdiv class=\"detail-grid\"\u003e\n\u003cdiv class=\"detail-cell\"\u003e\n\u003cdiv class=\"detail-num\"\u003e01\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"detail-title\"\u003eABS Shell — Post-Impact Inspection\u003c\/div\u003e\n\u003cdiv class=\"detail-desc\"\u003eRun fingers across the shell surface under direct bright light after any impact — micro-cracks read as texture differences the eye misses against the painted surface. Focus on the crown, forehead, and chin bar: the three primary contact points in forward falls. Even if the surface appears intact, a significant impact transfers energy to the EPS beneath, which may have permanently deformed. Shell surface inspection is insufficient — the EPS condition after any crash is the critical unknown that makes replacement mandatory.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"detail-cell\"\u003e\n\u003cdiv class=\"detail-num\"\u003e02\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"detail-title\"\u003eEPS Liner — Variable Density\u003c\/div\u003e\n\u003cdiv class=\"detail-desc\"\u003eThe EPS liner uses different foam densities at different zones — higher at the crown and forehead where impact energy is greatest, lower at the temples. This calibration is specific to the Thunder 4 SV's ABS shell geometry and size-specific mould. At 3XL and 4XL, the liner is dimensionally larger but should maintain the same density zone distribution. Replacing the liner with a generic EPS insert would alter energy transfer characteristics even if dimensions matched — use OEM-specified components only.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"detail-cell\"\u003e\n\u003cdiv class=\"detail-num\"\u003e03\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"detail-title\"\u003eVisor Gasket — Annual Inspection\u003c\/div\u003e\n\u003cdiv class=\"detail-desc\"\u003ePress the perimeter gasket firmly along its full length at the start of each riding season. Sections that feel significantly harder or show visible flattening have lost compression recovery and will allow wind ingress at the seal line — the primary source of highway wind noise in full-face helmets. Replace hardened or deformed sections before winter riding. At the chin bar and crown corners where the gasket turns, deformation is most likely to occur first from repeated visor opening and closing cycles.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"detail-cell\"\u003e\n\u003cdiv class=\"detail-num\"\u003e04\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"detail-title\"\u003eQuick-Release Buckle — Monthly Retention Check\u003c\/div\u003e\n\u003cdiv class=\"detail-desc\"\u003eFasten the buckle, grip both strap ends below it, and apply firm pull force. If the buckle releases without the deliberate tab press, the internal spring has fatigued. A fatigued buckle that appears correctly fastened can release under crash deceleration, removing chin strap retention at the moment of maximum need. Replace the buckle before riding if this test fails. At 3XL and 4XL where the strap must accommodate a larger neck circumference, the strap adjustment should be rechecked whenever the helmet is used by a different rider.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"detail-cell\"\u003e\n\u003cdiv class=\"detail-num\"\u003e05\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"detail-title\"\u003eComfort Lining — Washing\u003c\/div\u003e\n\u003cdiv class=\"detail-desc\"\u003eIf the lining is removable, wash cold on a delicate cycle and air dry. A moisture-saturated EPS liner (from submerging the complete helmet during washing) softens temporarily and provides reduced energy absorption until fully dry. Tumble drying degrades polyester fibre and dimensional accuracy. If the lining is not removable, wipe accessible surfaces with a damp cloth only. Lining compression from accumulated sweat and oils changes the effective internal diameter — wash regularly to maintain the fit geometry the helmet was sized for.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"detail-cell\"\u003e\n\u003cdiv class=\"detail-num\"\u003e06\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"detail-title\"\u003eLarge-Size Storage and Replacement Planning\u003c\/div\u003e\n\u003cdiv class=\"detail-desc\"\u003eAt 3XL and 4XL (65–68cm), the Thunder 4 SV's shell is physically larger and heavier than smaller sizes. Store it on a stand or suspended by the chin bar — storing a large helmet compressed against a shelf surface or in a bag where the shell rests unevenly over extended periods can deform the EPS liner at the contact point. More practically: at the 5-year replacement point, confirmed certified full-face helmets at 4XL may not be as readily available as they are today. Identify a replacement model before the current helmet reaches the end of its service life.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- KEY ATTRIBUTES --\u003e\n\u003cdiv class=\"block\"\u003e\n\u003cdiv class=\"slbl\"\u003eKey Attributes\u003c\/div\u003e\n\u003cdiv class=\"attr-grid\"\u003e\n\u003cdiv class=\"attr-cell\"\u003e\n\u003cdiv class=\"attr-lbl\"\u003eCertification\u003c\/div\u003e\n\u003cdiv class=\"attr-val small\"\u003eDOT + ECE + CCC\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"attr-cell\"\u003e\n\u003cdiv class=\"attr-lbl\"\u003eShell\u003c\/div\u003e\n\u003cdiv class=\"attr-val small\"\u003eABS Injection Moulded\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"attr-cell\"\u003e\n\u003cdiv class=\"attr-lbl\"\u003eVisor\u003c\/div\u003e\n\u003cdiv class=\"attr-val small\"\u003eClear\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"attr-cell\"\u003e\n\u003cdiv class=\"attr-lbl\"\u003eClosure\u003c\/div\u003e\n\u003cdiv class=\"attr-val small\"\u003eQuick-Release\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"attr-cell\"\u003e\n\u003cdiv class=\"attr-lbl\"\u003eSize Range\u003c\/div\u003e\n\u003cdiv class=\"attr-val small\"\u003eS – 4XL\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"attr-cell\"\u003e\n\u003cdiv class=\"attr-lbl\"\u003eWeight (Gross)\u003c\/div\u003e\n\u003cdiv class=\"attr-val small\"\u003e2.86 kg\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cul style=\"margin-top: 24px;\" class=\"glance-list\"\u003e\n\u003cli class=\"glance-item\"\u003e\n\u003cspan class=\"g-dot\"\u003e\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eChoose the Thunder 4 SV over the JARAMA only if you need 4XL (67–68cm):\u003c\/strong\u003e The JARAMA runs S–3XL (55–66cm) in a 39 × 30.5 × 32 cm package at 2.505 kg gross. The Thunder 4 SV adds the 4XL size at 44 × 31 × 33 cm \/ 2.86 kg gross. At S–3XL the two models share the same construction and certifications — there is no technical advantage between them below 3XL size.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"glance-item\"\u003e\n\u003cspan class=\"g-dot\"\u003e\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eMeasure at the widest skull point, three times, use the largest reading:\u003c\/strong\u003e Above the eyebrows, over the ears, around the occipital protrusion at the rear. At 3XL and 4XL, head shape variation is more pronounced — a circumference of 67cm on a round skull may fit 4XL while the same circumference on a more oval skull may not. If between sizes, choose the larger — the liner conforms over the first 15–20 hours of use.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"glance-item\"\u003e\n\u003cspan class=\"g-dot\"\u003e\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eFirm all-round pressure is correct — comfortable immediately means too large:\u003c\/strong\u003e The EPS must contact the skull evenly with no gaps. A helmet that feels comfortable on first wear is almost certainly one size too large. Local pressure points that persist after 20 minutes indicate an EPS shape mismatch for this rider's skull anatomy — size up will not fix this; try a different model.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"glance-item\"\u003e\n\u003cspan class=\"g-dot\"\u003e\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003ePlan replacement before the 5-year mark — 4XL availability varies:\u003c\/strong\u003e The Thunder 4 SV's 5-year service life ends at a date when 4XL certified full-face options may be more or less available than today. Identify a replacement model before the current helmet's service life expires, particularly at 3XL and 4XL where confirmed certified options are fewer than at standard sizes.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c!-- SIZE GUIDE --\u003e\n\u003cdiv class=\"block\"\u003e\n\u003cdiv class=\"slbl\" id=\"thunder4sv-size-guide\"\u003eHelmet Size Chart\u003c\/div\u003e\n\u003cp style=\"font-size: 13px; color: var(--muted); margin: 0 0 14px; line-height: 1.6;\"\u003eMeasure head circumference above the eyebrows, over the ears, and around the occipital protrusion. Take three measurements, use the largest. If between sizes, choose the larger. At 3XL and 4XL, head shape matters as much as circumference — confirm the EPS fits your skull shape without persistent local pressure before the return window closes.\u003c\/p\u003e\n\u003cdiv class=\"chart-wrap\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSize\u003c\/th\u003e\n\u003cth\u003eHead Circumference (cm)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eS\u003c\/td\u003e\n\u003ctd\u003e55 – 56\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eM\u003c\/td\u003e\n\u003ctd\u003e57 – 58\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eL\u003c\/td\u003e\n\u003ctd\u003e59 – 60\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eXL\u003c\/td\u003e\n\u003ctd\u003e61 – 62\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eXXL\u003c\/td\u003e\n\u003ctd\u003e63 – 64\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3XL\u003c\/td\u003e\n\u003ctd\u003e65 – 66\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4XL\u003c\/td\u003e\n\u003ctd\u003e67 – 68\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp class=\"chart-note\"\u003e* Seven sizes from S to 4XL. 4XL (67–68cm) is the Thunder 4 SV's additional size vs the JARAMA (S–3XL). If your measurement falls at the upper boundary of a size, choose the next size up.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- SPECS --\u003e\n\u003cdiv class=\"block\"\u003e\n\u003cdiv class=\"slbl\"\u003eProduct Specifications\u003c\/div\u003e\n\u003cdiv class=\"specs-grid\"\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cspan class=\"spec-k\"\u003eBrand\u003c\/span\u003e\u003cspan class=\"spec-v\"\u003eMTHELMETS\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cspan class=\"spec-k\"\u003eModel\u003c\/span\u003e\u003cspan class=\"spec-v\"\u003eTHUNDER 4 SV\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cspan class=\"spec-k\"\u003eType\u003c\/span\u003e\u003cspan class=\"spec-v\"\u003eFull Face Motorcycle Helmet\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cspan class=\"spec-k\"\u003eShell\u003c\/span\u003e\u003cspan class=\"spec-v\"\u003eABS (Injection Moulded)\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cspan class=\"spec-k\"\u003eInner Lining\u003c\/span\u003e\u003cspan class=\"spec-v\"\u003ePolyester Comfort Liner\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cspan class=\"spec-k\"\u003eVisor\u003c\/span\u003e\u003cspan class=\"spec-v\"\u003eClear\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cspan class=\"spec-k\"\u003eClosure\u003c\/span\u003e\u003cspan class=\"spec-v\"\u003eQuick-Release Buckle\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cspan class=\"spec-k\"\u003eCertifications\u003c\/span\u003e\u003cspan class=\"spec-v\"\u003eDOT \/ ECE R22 \/ CCC\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cspan class=\"spec-k\"\u003eDesign\u003c\/span\u003e\u003cspan class=\"spec-v\"\u003ePlain \/ Modern\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cspan class=\"spec-k\"\u003eSeason\u003c\/span\u003e\u003cspan class=\"spec-v\"\u003eAll-Season\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cspan class=\"spec-k\"\u003eGender\u003c\/span\u003e\u003cspan class=\"spec-v\"\u003eUnisex\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cspan class=\"spec-k\"\u003eApplication\u003c\/span\u003e\u003cspan class=\"spec-v\"\u003eStreet \/ Touring \/ Racing \/ Off-Road\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cspan class=\"spec-k\"\u003eSize Range\u003c\/span\u003e\u003cspan class=\"spec-v\"\u003eS, M, L, XL, XXL, 3XL, 4XL\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cspan class=\"spec-k\"\u003ePackage\u003c\/span\u003e\u003cspan class=\"spec-v\"\u003e44 × 31 × 33 cm · 2.86 kg gross\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cspan class=\"spec-k\"\u003eOrigin\u003c\/span\u003e\u003cspan class=\"spec-v\"\u003eGuangdong, China\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cspan class=\"spec-k\"\u003eCondition\u003c\/span\u003e\u003cspan class=\"spec-v\"\u003eBrand New\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- PACKAGE --\u003e\n\u003cdiv class=\"block\"\u003e\n\u003cdiv class=\"slbl\"\u003ePackage Includes\u003c\/div\u003e\n\u003cdiv class=\"pkg-grid\"\u003e\n\u003cdiv class=\"pkg-cell\"\u003e\n\u003cspan class=\"pkg-icon\"\u003e🪖\u003c\/span\u003e\u003cspan class=\"pkg-text\"\u003e1 × MTHELMETS Thunder 4 SV Full Face Helmet\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pkg-cell\"\u003e\n\u003cspan class=\"pkg-icon\"\u003e📦\u003c\/span\u003e\u003cspan class=\"pkg-text\"\u003eSecure Packaging · 44 × 31 × 33 cm\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- CTA --\u003e\n\u003cdiv class=\"cta-bar\"\u003e\n\u003cp\u003e\u003cstrong\u003eMTHELMETS Thunder 4 SV — triple certified full-face, S to 4XL.\u003c\/strong\u003e ABS shell, EPS liner, DOT\/ECE\/CCC certified, clear visor, quick-release strap, polyester lining. The MTHELMETS full-face option for riders who need 4XL (67–68cm).\u003c\/p\u003e\n\u003ca href=\"#\" class=\"btn\"\u003eBuy Now ↗\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Lane ProMotor","offers":[{"title":"GLOSS EXA RED \/ S(55–56cm)","offer_id":47464520876084,"sku":"191288010:-1#GLOSS EXA RED;200329261:-1#S","price":459.0,"currency_code":"AUD","in_stock":true},{"title":"GLOSS EXA RED \/ M(57–58cm)","offer_id":47464520908852,"sku":"191288010:-1#GLOSS EXA RED;200329261:-2#M","price":459.0,"currency_code":"AUD","in_stock":true},{"title":"GLOSS EXA RED \/ L(59–60cm)","offer_id":47464520941620,"sku":"191288010:-1#GLOSS EXA RED;200329261:-3#L","price":459.0,"currency_code":"AUD","in_stock":true},{"title":"GLOSS EXA RED \/ XL(61–62cm)","offer_id":47464520974388,"sku":"191288010:-1#GLOSS EXA RED;200329261:-4#XL","price":459.0,"currency_code":"AUD","in_stock":true},{"title":"GLOSS EXA RED \/ XXL(63–64cm)","offer_id":47464521007156,"sku":"191288010:-1#GLOSS EXA RED;200329261:-5#XXL","price":459.0,"currency_code":"AUD","in_stock":true},{"title":"GLOSS EXA RED \/ 3XL(65–66cm)","offer_id":47464521039924,"sku":"191288010:-1#GLOSS EXA RED;200329261:-6#3XL","price":459.0,"currency_code":"AUD","in_stock":true},{"title":"GLOSS EXA RED \/ 4XL(67–68cm)","offer_id":47464521072692,"sku":"191288010:-1#GLOSS EXA RED;200329261:-7#4XL","price":459.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0726\/4780\/2932\/files\/Hc7ce57f816ca44469117f7b02dc910bbg.webp?v=1770387622","url":"https:\/\/lanepromotor.com\/products\/mthelmets-thunder-4-sv-full-face-motorcycle-helmet","provider":"Lane ProMotor","version":"1.0","type":"link"}