The classic Cobra racing goggles are back with mirrored lenses and revolutionary Swipe Anti-Fog technology. Discover the innovative and FINA-approved arena unisex Cobra Swipe Mirror Racing Goggles. arena's Swipe Anti-Fog technology lasts ten times longer and can be easily reactivated. For reactivation gently swipe the inner lenses five times with your fingertip while the goggles are in the water, making sure there is no dirt on the lenses while doing so. Do this every time the lenses become foggy to enjoy clear vision for longer. Delivered with four interchangeable nose bridges for perfect customization to different face and nose shapes. The dual strap is easily adjustable at the back of the head and ensures a stable fit, even on starts and turns. With an innovative temple design for a secure fit, especially on dives. This style is available with either light mirrored lenses for indoor swimming or dark mirrored lenses for outdoor swimming. PVC free.