ViewMaster provides enhanced and reduced eye fatigue in an ANSI Z87.1 compliant polarized lens. The steamlined classic frame made of durable GS7 Nylon has a striking metallic gray finish with the respected Smith & Wesson logo emblazoned on the left temple. Comfort is assured by ergonomically designed temple curvature and pressure pads. ANSI Z87.1 certified. 99.9% UV protection.