GMAX AT-21S Helmet – Epic – Electric Shield Models
Engineered for adventure, the GMAX AT-21S pairs lightweight strength with all-season comfort. Its polycarbonate shell meets and exceeds DOT and ECE standards while delivering a balanced, agile feel across three shell sizes from youth to adult.
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Safety & Fit: ECE/DOT approved; quick-release buckle; three shell sizes for optimized fit
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All-Weather Vision: Includes electric shield with cord kit to combat fog and frost, plus cold-weather breath box and chin curtain
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Sun & Fog Control: Drop-down Hi-Vis amber sun shade with anti-fog coating
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Comfort Interior: Removable, adjustable, washable SpaSoft™ liner with antimicrobial properties and COOLMAX CORE moisture-wicking tech
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Comm-Ready: Recessed EPS speaker pockets for Bluetooth and communication systems
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Lightweight: Approx. 3.6 lbs (Adult Large) for reduced fatigue on long rides
From daily commutes to backcountry routes, the AT-21S delivers clear visibility, warm or cold, with a premium fit and rider-focused features. Choose GMAX for performance you can trust on every ride.
