Specifications: Spectron 3CF polycarbonate glasses - Category 3, 100% UVA (premature eye aging) protection, UVB (destroying cornea) and UVC (strongest from UV radiation, can have fatal consequences for the body), filters 87% of the visible spectrum, dark lenses with index 3, only 13% of visible radiation is released, anti-glare glasses, flash adjustment and mirror surface. Color: Shiny Black. Frame Curvature: 8.