Clear Lens: All-purpose. Allows the maximum amount of light through for the most accurate representation of your environment. The culmination of 25 years of goggle technology Oakley&8217;s CROWBAR MX goggles offers the protection & performance demanded by the world&8217;s top riders. The lightweight & flexible O MATTER frame is combined with optically pure LEXAN to maintain impact protection that meets all ANSI Z87.1 & EN 1938 standards. Clear lenses are enhanced with F3 anti-fog treatment the optics maximize your range of peripheral & downward view. You can&8217;t stay focused without comfort so we engineered triple-layer face foam to wick away sweat & strap outriggers for balanced pressure distribution. & to keep the strap from sliding we treated it with silicone. This goggle also comes with a removable nose guard & the Oakley 7-pack laminated tearoff system the most advanced tearoff system on the planet. Increased lens sizing for greater visual range Flexible O Matter chassis Rigid O Matter strap connections provide even distribution of goggle pressure Anti fog lens on clear lens frames Hi performance blue on slected frames Removable O Matter nose guard included enhanced 3-pin attachment system for tear-offs 7 pack of Oakley laminated tear-offs included Lexan lens material provides 100% protection against UV-A UV-B UV-C & harmful blue light Re-designed facial fit contour Exceeds ANSI Z87.1 for high velocity impact Exceeds EN 1938 for MX goggle requirements Metal icon accent Contrasting colored frame components compliment frame color Triple fleece face foam for maximum moisture wicking & comfort Optional Black Iridium coating available on Pro Frame series for added glare reduction