Protection Lightweight in-mold construction fuses the exterior shell and EPS foam for a one-piece design that's lightweight and durable. MIPS® Brain Protection System reduces rotational forces caused by angled impacts to the head Select colorways offered without MIPS® system Certification: ASTM F 2040, CE EN 1077:2007 CLASS B Fit / Integration Designed for ultimate integration with Smith goggles for maximum comfort and venting AirEvac™ ventilation system integrates with Smith goggles for fog-free lenses Self-adjusting lifestyle fit system flexes to match your head shape for maximum comfort Available in Round Contour Fit to better match rounder head shapes Smith Maze MIPS Helmet