The Klim Viper Snow Goggle redefines the riding experience on the snow. The Viper is engineered to provide the best optical clarity, vision, field of view(FOV) and fit experience. Ventilation and moisture management systems aggressively combat fogging. Integrating a super-thin frame design, the Viper is compatible with a wide range of open-face helmets.FOV Frame geometry for maximum field of view.Tri-tested polycarb UV400 dual lens.Fog-tech HD anti-fog lens coating.Triple layer breathable face foam.Includes premium cleaning cloth/storage bag.Strap outriggers.Snowmobile-spec oversized face foam.Air force induction (A.F.I.).46mm wide goggle strap.