Leatt MTB 4.0 All Mountain Full Face Helmet Lightweight Polymer Compound shell in three sizes 360° Turbine Brain injury reduction technology Reduces forces associated with concussion Sunglasses docking port for easy and secure storage Maximized ventilation with 13 vents effective even at low speeds Fidlock magnetic closure system Moisture wicking, breathable, anti-odor and washable inner liner Adjustable visor with breakaway function for rotational impact force reduction In-molded EPS EPO impact foam for superior energy absorption Certified and tested: AS/NZS 2063:2008, EN1078, CPSC 1203 Weight: From 360g / 0.79lbs