GMAX AT-21S Helmet
Engineered for adventure touring, dual-sport, and commuting, the GMAX AT-21S delivers lightweight protection, all-season comfort, and rider-focused features that enhance every mile.
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Certified Safety: Exceeds DOT and ECE standards with a tough yet lightweight polycarbonate shell (Adult Large: 3.6 lbs).
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Superior Fit: Three shell sizes (youth to adult) for balanced weight and a refined profile.
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All-Weather Vision: Clear dual-lens face shield plus a drop-down Hi-Vis amber sun shade with anti-fog coating.
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Comfort Interior: Removable, adjustable, and washable SpaSoft antimicrobial liner with COOLMAX CORE moisture-wicking technology.
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Ready for Comms: Recessed EPS speaker pockets for easy integration with communication systems.
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Cold-Weather Kit: Includes breath box and chin curtain; optional electric shield available (P/N 72-3107).
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Quick On/Off: Secure quick-release buckle system.
From weekday commutes to weekend trails, the GMAX AT-21S keeps you protected, clear-eyed, and comfortable—ride after ride.
