Lightweight polymer shell in three sizes Removable chin bar with easy fit system Fidlock magnetic closure system 360° Turbine Technology Reduced peak brain acceleration by up to 30% at impact speeds associated with concussion Reduces peak brain rotational acceleration by up to 40% Adjustable visor In-molded impact foam for superior energy absorption Maximized ventilation with 23 vents effective even at low speeds Dri-Lex® moisture wicking, breathable, anti-odor and washable inner liner Hydration ready (with optional hands-free kit) Certified and tested: AS/NZS 2063:2008, EN1078, CPSC 1203 Weight: From 750g (1.65 lbs), without chin bar: from 375g (0.83 lbs) Plastic Free Recyclable Packaging Sizing: S (51-55cm –20-21 5/8''), M (55-59cm –21 5/8-23 1/4''), L (59-63cm –23 1/4-24 3/4'') 
