Meets the ANSI Z87.1+ standards for optical requirements and impact protection. Polycarbonate lenses provide 99.9% UVA/UVB/UVC protection to help prevent eye damage like cataracts, retinal damage, and other conditions that can cause temporary vision loss. The wraparound frame has a base curve of 8 that extends the range of peripheral protection, as well as soft touch temples for comfort. Flex-Dry nose piece is designed to be extremely flexible, to channel sweat away from the eyes, and to help prevent slippage down the nose, all for long-term comfort. Comes with a neck cord for securing them.