You love a stormy day just as much as carving down the slopes under a blue sky. The Altus MIPS ski and snowboard helmet by Smith allows you to adjust the ventilation on the go to match the weather conditions and your level of effort.Of course, it incorporates safety innovations, including Zonal KOROYD® and Mips®, to give you the confidence to tackle any snow conditions. It is lightweight enough for backcountry missions and features a classic profile.The lightweight in-mold construction fuses the outer shell and EPS foam for a one-piece design that's lightweight and durableZonal KOROYD® coverage for lightweight, energy-absorbing, and ventilated impact protectionMips® brain protection system reduces rotational forces caused by angled impacts to the headDesigned for optimal integration with Smith goggles, providing maximum comfort and efficient ventilationAirEvac ventilation system integrates with Smith goggles for fog-free lensesVaporFit Snow adjustment system allows for 270-degree fit adjustment with the turn of a dialAudio-compatible removable ear pads10 ventilation openings Smith Altus MIPS - Ski helmet | Hardloop