Where Classic Styling Meets Everlasting Value, The Mission Brings The Proven Fit And Function Of Smith Helmets To An Audience Who Will Never Again Call This Piece Of Gear Just A Helmet.Features:Protection:- Lightweight In-Mold Construction- Aerocore™ Construction Featuring Koroyd®- Regulator Adjustable Climate Control- 14 Vents- Mips® System Available In All ColorsFit:- Adjustable Dial Fit System (Dfs2)- Snapfit Sl Ear PadsIntegration:- Airevac™ Ventilation- Audio Compatible Ear PadSpecifications:- Certification: Astm F 2040, Ce En 1077:2007- Weight (Size M): 16 Oz / 450 Grams