Easily adapt your 509 Aviator 2.0 Ignite S1 Goggles to any weather condition. Available in a wide range of tints, the 509 Aviator 2.0 Ignite S1 Lens features wire-free auto-heating technology for a new realm of no fog performance. A low-profile integrated fan further enhances clarity by removing air from inside the frame. Available tints cover everything from bright sun to nighttime with polarized and even light-adaptive photochromatic options.