Smith Snow Helmet Lightweight in-mold construction Aerocore construction featuring Koroyd Regulator adjustable climate control Adjustable dial fit system(DSF2) Snapfit SL ear pads AirEvac 2 ventilation MIPS Multi-Directional Impact Protection System Outdoor Tech Audio System compatible (not included) Vents: 14 vents Where classic style 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 gear "just a helmet." The Mission MIPS helmet is your best bet with everything you'd want in a helmet. Smith Men's Mission MIPS Helmet