Electric Men's Knoxville Wayfarer Sunglasses, Black Ohm Grey Silver Chrome, 47 mm Frame: 6 base mold injected grilamid frame with a 3 barrel hinge. Optics: 6 base ohm polycarbonate lens. 100% uv protection. up to 98% blue light protection. Weight: 30grams 100% uv protection. Up to 98% blue light protection.