Blocks 99.9 percent of UV rays. Wear over most personal and prescription eyewear. Durable polycarbonate impact resistant lens. Contoured nose bridge. Built in side shields. Get more life out of your eye protection. These are made to fit over your shooting glasses, eyeglasses, or sunglasses. Perfect for the shooter that encounters multiple lighting conditions. Shooting glasses with clear lenses protect against debris from discharged powder, brass particles, and particles from spent shells or cartridges.