The 509 Aviator 2.0 XL Ignite S1 Goggle with 5MAG magnetic lens system changes the game completely. With Ignite S1 technology on this bestselling goggle, you get a wire-free lens that auto-heats as you ride for the ultimate in fog-eliminating performance. A low-profile integrated fan further enhances clarity by removing moist air from inside the frame. Add in the Aviator XL's fully loaded package, including 20% more face foam, and you get every optical advantage out there.