Bolle Anaconda 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 10 percent , they are ideal for sunny conditions 8 base. Improves awareness and offers better periphery vision Medium/large fit with 100% UVA/B protection Polarized lenses optically precise filter embedded in the lens eliminates most glare and reflected light Polycarbonate (PC) lenses are super lightweight, premium-grade plastic resin lens which are 20 times more impact resistant than glass and a third of the weight Exceeds ANSI requirements for UV protection for impact resistance and optical clarity