Blue sky and high-speed groomers in the alpine or a storm day spent chasing fresh tracks in the trees, the Smith Accel helmet is the only helmet you need. It balances the latest impact protection tech with 360-degree fit adjustability and one-hand-adjustable vents for all-day comfort in any weather. Mips® and Zonal KOROYD work together to absorb impacts in the event of a crash. It's the lightweight do-it-all helmet you can count on no matter where the day takes you. Product Details Protection 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 Certification: ASTM F 2040; CE EN 1077:2007 CLASS B Fit / Integration Designed for ultimate integration with Smith goggles for maximum comfort and venting 360 degree micro-adjustable dial fit system for easy, on-the-go size adjustment. Features Ionic+® antimicrobial lining offers sweat-activated odor control Regulator climate control offers easy, one-handed vent adjustment Aleck® audio system compatible Weight (Size M): 18oz / 500g What's Included Smith helmet bag