PROTECTION: Lightweight in-mold construction fuses the exterior shell and EPS foam for a one-piece design that's lightweight and durable, MIPS Safety System reduces rotational forces, Select colorways offered without MIPS system, Fixed vents for consistent airflow, Certification: ASTM F 2040, CE EN 1077:2007 CLASS B FIT: Self-adjusting lifestyle fit system flexes to match your head shape for maximum comfort, Round Contour 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 FEATURES: Nine vents, Plush, fuzzy lining adds warmth and comfort, Removable goggle strap lock for streamlined shell when goggles are worn under helmet INCLUDED: Smith helmet bag