Lightweight in-mold construction fuses the exterior shell and EPS foam for a one-piece design that's lightweight and durable. Zonal KOROYD® coverage for lightweight, energy-absorbing and ventilated impact protection Mips® Brain Protection System reduces rotational forces caused by angled impacts to the head Select colorways offered without Mips® system Designed for ultimate integration with Smith goggles for maximum comfort and venting AirEvac ventilation system integrates with Smith goggles for fog-free lenses Adjustable dial fit for easy, on-the-go size adjustment Removable Snapfit SL2 ear pads add warmth and are audio-chip compatible Aleck® audio systems compatible Regulator climate control allows easy, one-handed vent adjustment Smith Mission Mips Round Contour Helmet