Face-flattering design appeals to a wide range of professionals. High-quality polycarbonate lenses provide superior protection without hindering visual acuity. Five-position ratchet-action temples make getting a proper fit quick and easy. Lightweight nylon frame and non-slip rubber ear-piece grips help ensure comfortable day-long use. Duramass? coating protects against scratching. Style: Wraparound; Frame Color: Black; Frame Material: Nylon; Lens Material: Polycarbonate.