Polarlens PG20 German Engineered Goggles, Snowboard Goggles, Ski Goggles with EXCHANGEABLE LENSES Glossy black twin panel reflective FLASH MIRROR exchangeable lens system Anti-fog with ventilation system at the top and bottom Lens Colors: Mirrored Black and Contrast Orange Interchangeable lensesLens Colors: Mirrored Black and Contrast Orange Interchangeable lenses Sun Filter: CAT 3, UV400, 100% UV protection Ultra-light and easy to change lens system that is Helmet Compatible with an extra long adjustable strap