Offering game-changing anti-fog performance, the 509 Kingpin Fuzion Offroad Lens is available in multiple weather-specific tints so you can adapt your 509 Kingpin Offroad Goggle to any condition. Swapping lenses is easy with the Kingpin Goggle's quick-change system. Exclusive Fuzion anti-fog lens technology offers 5x the clarity of traditional lenses by fusing Super Anti-Fog inner and outer lenses into one optically clear, ventless construction. Step up to Fuzion and see the difference.