Edge Eyewear Blizzard Glasses, Black Goggles/Clear, G-15 Vapor Shield Lenses, Rx Lens Insert, Vented frame with neoprene padding Rubber lining on strap for a non-slip fit Vapor shield lenses provide Military grade anti-fog technology Interchangeable lenses Complies with ANSI Z87.1+2010, Military Ballistic mceps gl-pd 10-12 and En166 F CE standards