Electric Visual Swingarm XL Matte Tortoise/OHM Bronze Sunglasses Frame: 6 base mold injected grilamid frame with an innovative double action hinge system. 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.