Sand Dust Goggles designed specifically for use in sandy conditions Dust catcher vent foam 2-Layer face foam NoFogĂ– Anti-Fog lens treatment Optimized for smaller faces Frame is constructed of soft Thermoplastic urethane (TPU) with UV blockers to help maintain flexibility, even in cold temperatures Outriggers (strap attachments) are made of Polyamide (nylon) Polycarbonate lenses. GOGL PRIML SD BK/GY GY-WK