Universal blade style nylon frame 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. Lenses block UVA/UVB/UVC (ultraviolet) rays. Coated for scratch resistance and fog resistant. ANSI (American National Standards Institute) Z87.1 +2010 and Military Ballistic MCEPS GL-PD 10-12 compliant.