This lightweight, minimalist snow helmet is the go-to choice for backcountry touring and ski mountaineering and is the brand's first triple-certified design that meets global alpine skiing and international mountaineering standards. Six vents on the shell keep the air moving and your eyewear fog-free, while Zonal KOROYD® coverage provides lightweight, impact protection. The super-adjustable BOA 360 Fit System let's you customize your fit for all-day comfort and a magnetic chin-strap buckle makes for easy one-hand operation. The helmet also has a beanie- and ball cap-compatible design so you can layer up to match the weather conditions. This version features Multidirectional Impact Protection System, or MIPS, which uses slip-plane technology inside the helmet to reduce rotational forces that can occur in certain impact situations. Complies with ASTM F 2040, CE EN 1077: 2007 Class B alpine ski and snowboard helmet safety standards 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 BOA 360 Fit System offers the most adjustable fit with the turn of a dial for on-the-fly micro-adjustability Aleck® audio systems compatible Technical-knit liner is audio chip compatible Removable goggle strap lock for streamlined shell when goggles are worn under helmet Beanie compatible Polycarbonate Imported