Made for great days on the bike and the daily commute alike, the Smith Signal helmet gives you the protection you need no matter where your wheels take you. MIPS® brain protection system helps reduce angled impact forces in the event of a crash, and an adjustable dial on back lets you fine-tune the fit for comfort. Strategic venting keeps the air flowing, your glasses fog-free, and your head cool. And whether you're grabbing a coffee or walking into the office, engineered eyewear channels make for convenient hands-free glasses storage. Product Details Protection MIPS® Brain Protection System reduces rotational forces caused by angled impacts to the head CPSC and CE EN 1078 certified AS/NZS263 certified Fit / Integration Designed for ultimate integration with Smith performance eyewear for maximum comfort, venting and storage convenience AirEvac™ ventilation system integrates with Smith eyewear for fog-free lenses Adjustable dial fit system for a customized fit Features 21 fixed vents for consistent airflow Performance comfort lining Lightweight, low-bulk single layer webbing Weight (Size M, MIPS®): 11 oz / 300 g