Specifications: 100% protection against UVA (premature eye aging), UVB (destroying cornea) and UVC (strongest from UV radiation, may have fatal consequences for the body), filters 87% of the visible spectrum, dark lenses with index 3 release only 13% of visible impact, rupture, anti-glare, flash finish and mirror finish, low weight, rubber strap ends do not get caught in hair, suitable for hiking, mountain hiking, mountaineering, alpine skiing, skiing or snowboarding. Glass type: Spectron 3CF. Glass Color: Silver/Havana/Rancho. Frame Curvature: 6.