Key Features:Lightweight DH certified helmetM-Forge Carbon shell with composite chin bar, in two shell sizesMaximized ventilation with 22 ventsRemovable mouthpiece ventilation coverDD ring closure system360° Turbine TechnologyHelps reduce peak brain acceleration by up to 30% at impact speeds associated with concussionHelps reduce peak brain rotational acceleration by up to 40%X-Static® moisture wicking, breathable, anti-odor and washable inner linerVisor-Extension, semi-transparent gunsmoke color, for bad weather conditions.Optimal neck brace compatibilityVisor with breakaway function for rotational reduction in a crashIn-molded EPS + EPO impact foam for superior energy absorptionWeight: Estimated from 840g +/- 50g (1.85 lbs)Certified and tested: AS/NZS 2063:2008, ASTM F195215, EN1078, CPSC 1203