ANSI Z87.1 Safety Glasses Gray Lens - The MT1 series brings you a unique and stylish design that features Rotating Temples, allowing for compact storage! The Rotating temples also allow the user to adjust the angle of the lens creating a personal fit. The wraparound lens, constructed of lightweight scratch resistant polycarbonate, filters 99.9% of U.V. rays and offers the protection you need. Soft TPR non-slip temple grips help hold these glasses in place, and the TPR nose piece provides comfort for all day wear. Choose the best safety glasses, choose MCR Safety!