* DH certified lightweight Polymer shell* Removable chin bar with easy-fit attachment system* Sunglasses dock port for easy, secure storage* 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%* Maximized ventilation with 18 vents. Optimized for riding and effective even at low speeds* Moisture wicking, breathable, anti-odor and washable inner liner* Optimal neck brace compatibility* Adjustable visor with breakaway function for rotational impact force reduction* In-molded EPS + EP0 impact foam for superior energy absorption* Certified and tested: AS/NZS 2063:2008, ASTM F1952–10, EN1078, CPSC 1203* Weight: From 810g (1.79 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'')