Available with glass or polycarbonate lenses, Costas Half-Moon Polarized Sunglasses deliver a look inspired by sandy beaches and surf-perfect swells. Glare-reducing polarized 580 lens technology manages colors and protects your eyes by blocking 100% of harmful UV rays, enhancing reds, greens and blues and filtering out yellows. This leaves you with high-definition, true-to-life views with sharp contrast. Flexible TR-90 nylon frames provide exceptional durability. Spring hinges add durability and pinch-free comfort, while Hydrolite nose and temple pads ensure slip-free performance. Scratch-resistant C-Wall lens coating repels oil, water and sweat, maintaining incredible clarity. Manufacturers limited lifetime warranty. Cancer and Reproductive Harm- www.P65Warnings.ca.gov. Type: Polarized.