Sports for Aerios Black Matte [Uvex] Sunglasses, Photochromic, Anti-Fog, Running/Cycling/Outdoor Use, V,

UV: Protects your eyes from UV rays (ultraviolet, A, B, and C). The company name uvex comes from uv-ex = UltraViolet Excluded. uvex variomatic (photochromic) lenses react to the amount of ultraviolet light, automatically changing the brightness of the lens color to suit a wide range of conditions. The unique anti-fog coating "supravision," applied to the inside of the lens, keeps your vision clear. The adjustable nose pads allow for a proper fit. Visible light transmittance 9%-74%