Design and Details 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 Self-adjusting lifestyle fit system flexes to match your head shape for maximum comfort AirEvac ventilation system integrates with Smith goggles for fog-free lenses Removable ear pads for form-fitting comfort Available in Round Contour Fit to better match rounder head shapes Designed for ultimate integration with Smith goggles for maximum comfort and venting Eight fixed vents for consistent airflow Removable Snapfit SL2 ear pads add warmth and are audio-chip compatible Removable goggle strap lock for streamlined shell when goggles are worn under helmet Beanie compatible Aleck audio systems compatible ADDITIONAL DETAILS: