Bolle Sport Recoil Sunglasses Anti-slip nose piece Anti-slip temples Extensive curvature provides for the widest field of vision as well as optimum Protection for the Eye area With a visible light transmission of 14 percent , they are ideal for sunny conditions 8 base. Improves awareness and offers better periphery vision Anti-Fog and Polarized Sport Sunglass Polycarbonate Lenses made from premium grade resin, 20 x more impact resistant than glass, 3 x lighter Oleo phobic/hydrophobic lens treatment repels dirt, grease and water spots High-strength Thermo grip rubber temple and nose pads Offers 100-percent UVA and UVB protection