Where classic styling meets everlasting value, the all-new Mission brings the proven fit and function of Smith helmets to an audience who will never again call this piece of gearjust a helmet.FEATURES Lightweight in-mold construction Aerocore construction featuring Koroyd Regulator adjustable climate control 14 vents Adjustable dial fit system Snapfit SL2 earpads AirEvac2 ventilation Weight (Size M, MIPS) 16oz / 450 grams Certification: ASTM F 2040, CE EN 1077:2007 CLASS B Outdoor Techaudio systems available