Layer Up for A Good Day to Come: The Mirage ski and snowboard helmet features a lightweight design that brings the latest safety innovations including Zonal KOROYD for enhanced energy absorption Stay Cool & Eliminate Foggy Lenses: With 14 vents that can be adjusted with one hand and the AirEvac system to integrate with Smith eyewear, you’ll stay cool and your goggles will stay clear Adjustable for a Comfortable Fit: With a dial fit for easy on-the-go adjustment and removable Snapfit SL2 ear pads add warmth and are audio-chip compatible you can head to the mountain in all conditions Certification: ASTM F 2040, CE EN 1077:2007 CLASS B, CPSC, CE EN1078. Born on the Mountain, Built from Innovation: Smith is a performance eyewear and helmet brand for those inspired to pursue new and deeper connections with the outdoors; we’ve been outfitting consumers with the confidence to experience more since 1965