Specifications: 100% protection against UVA (premature eye aging), UVB (destroying cornea) and UVC (strongest from UV radiation, can have fatal consequences for the body), filters 95% of the visible spectrum, very dark lenses with index 4 release only 5% visible radiation, impact and rupture resistance, anti-glare glasses, flash finish and mirror surface, low weight, rubber strap ends are not trapped in the hair. Glass type: Spectron4. Glass color: Black. Frame Curvature: 6.