Klim's Rage Goggle Lens system with slide+hinge lock technology allows you to quickly and easily swap lenses on the fly for changing light conditions. The Rage lens is engineered with anti-fogging technologies such as air circulation through foam filtered vents and Super Anti-Fog lens coating. The cylindrical lens design provides great peripheral vision and clarity. Add spare Rage Goggle Lenses to your kit for adapting to any conditions. Features: High-Speed Lens Swapping For Changing Conditions Large F.O.V. For Maneuvering Technical Terrain And High Speeds Fog Prevention With Airflow, Special Coatings And Large Volume Specs: Anti-Scratch Quick-Release Impact Rated Cylindrical Lens Quick-Release Slide + Hinge Lock Lens Retention System Dual-Pane Lens W/ 3M™ Gasket For Fog Prevention (Polycarbonate Outer, Cellulose Inner) Thru-Lens Foam-Filtered Vent To Manage Temp/Elevation Changes And Prevent Fogging Injection Molded Lens Technology Super Anti-Fog Lens Coating UV400 Rating ANSI Z87.1 Impact Protection Safety Standard