Fox RACING Air Defence Goggle Goggles MX DIRTBIKE ATV UTV SXS BLACK ZEBRA #14594-901-NS By taking Fox's already proven AIR SPACE goggle and adding an innovative pre-curved, injection-molded polycarbonate lens, Fox is truly bending the performance barrier. This new lens technology provides superior impact resistance and precision optical clarity due to its pre-curved design. In addition they have added a 17 mm thermo-formed foam package that features embossed sweat channels for improved moisture control.Pre-curved anti-fog lens offers superior optical clarity.Smart venting system.Increased peripheral viewing.Transformed triple-layer face foam.Eight-pin lens retention system keeps lens intact.Lexan lens offers 100% UV protection.45 mm non-slip silicone strap.Removable rock guard.