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.ProtectionLightweight 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, CPSC, CE EN1078Fit/ Integration360-degree height adjustable dial fit for easy, on-the-go size adjustment.Designed for ultimate integration with Smith goggles for maximum comfort and venting.FeaturesIonic+ lining and treatment offers anti-odor and antimicrobial properties.Regulator climate control allows easy, one-handed vent adjustment.Aleck™ audio systems compatible.IncludedSMITH helmet bag.