Ski brille Doppel-Ski brilleFeatures: High quality TPU frame with two layers of foam and a third layer of soft wool for maximum comfort. This material has excellent flexibility and therefore does not harm the eyes when striking the mirror surface. Double injection molding of lenses with scratch resistance, impact resistance, ultraviolet radiation, anti fogging properties and other functions using PC materials. Elastic Jacquard Belts Movable Interchangeable belts make it easy to