Safety glasses featuring a universal blade style nylon frame that is lightweight, flexible, durable, and equipped with soft thermoplastic rubber nose pads and temple arms to create a comfortable, nonslip fit. Open lower frame prevents sight obstruction and allows lenses to be removed and replaced easily. Features Vapor Shield military grade anti-fog technology that keeps lenses completely resistant to fog, even in extreme environments. Lenses block UVA/UVB/UVC (ultraviolet) rays.