1.HIGH QUALITY TPU FRAME Featuring dual layer foam with a third layer of soft fleece for comfort. The material has excellent flexible performance, so it does not cause injury to the eye if the mirror surface is caused by the impact. 2.Glasses Helmet CompatibleOTG design allows you to wear your glasses under these snowboard goggles. Extra long nonslip silicone rubber band ensures great compatibility with all helmets. 3. Anti Fog The snowboard goggles adopt advanced UV400 protection technology. All lenses are antifog and scratch resistant. The holes on the top and bottom of the ski goggles improve air circulation, which ensures a good antifog effect. 4.Replaceable lenses: Easy to change lenses and G1 ski goggles multiple colour lenses with different light intensities for cloudy, low light conditions, dark night and so on. GREAT MATERIALS Comfortable, and y materials; approved premium TPU frame, threelayer breathable foam, 3D widening jacquard fabric tape