Bolle Bounty 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 Unisex fit sunglasses B20.3 Polycarbonate Lenses are made from premium grade resin Bolle Polarized Lenses align light rays from the sun, giving you a crystal clear view at all times No fogging on your eyewear under any circumstance Not only reels the fog that could your vision but is simply revived by an application of moisture Bolle uses only the finest grade nylon, resulting in frames that are exceedingly strong, yet lightweight and flexible