Crews Klondike 119 Features: *Silver Mirror Anti-Fog Lens *Strong, lightweight polycarbonate lens with 11 degree base curve that filters out 99.9% of U.V. Radiation *Lightweight Nylon frame *Adjustable temples *Gel nose piece for long wearing comfort *Superior scratch resistance *Meets or exceeds ANSI Z87.1 safety standards for high impact *For indoor/outdoor wear ** Safety Glasses