Easily transition from sunglasses to goggles with Rothco’s Tactical Interchangeable Optical System. The smoke lenses have UV400 protection to guard against harmful sun rays, and are anti-fog and anti-scratch coated to keep your lenses clear and clean. Color: Coyote Brown MPN: 10388 Features: Skin-Side Foam Padding Provides Long-Lasting Comfort Adjustable Elastic Strap Measures 1″ Wide And Can Fully Extend To 20″ Long Elastic Strap Converts The Optic System Into Goggles Elastic Strap And Bayonet Temples Include End Clips That Easily Clip Into The Optical System Anti-Fog and Anti-Scratch Coating Keeps Lenses Clear And Clean UV400 Protection Excellent Sport Style Sunglasses