Fly Racing began as a manufacturer of motorcycle handlebars and helmets. Since then, the brand has quickly developed into one of the fastest growing powersports apparel brands in the market. Non-vented replacement dual-pane lens for use with the Fly Racing Zone Pro Snow, Zone Snow and Focus Snow Goggles. Dual-pane polycarbonate snow lens with premium anti-scratch and anti-fog coatings. Quick-change replacement lens.