Low-cost wraparound protection that fits over most prescription eyewear. Metal-free design with screw-less hinges. Hardcoated lenses for scratch resistance and longer life. Clear lenses allow maximum visible light transmission; ideal for indoor use. Lenses are made of a polycarbonate material that provides 99.9% UVA/UVB/UVC protection. Meets ANSI Z87.1+ standards for impact and certified to meet the requirements of CSA Z94.3.