The mirrored Cobra Ultra Swipe racing goggles combine hydrodynamics, a good fit and durable Swipe Antifog technology. The Cobra Ultra lenses are very streamlined and low-profile, which reduces water resistance. The high-quality lenses have a wide field of vision, allowing the swimmer to see down and to the sides without having to turn their head. The ergonomic lens seals are made of soft Japanese TPE rubber. Stylish, streamlined design. The lenses feature Swipe Antifog technology. Antifog is easy to reactivate by gently swiping the inside of the lens with your thumb about five times underwater. The ingenious technology is long-lasting and works up to 10 times longer than traditional antifog coatings. The goggles have fixed, half-length temples that hold the glasses tightly in place, especially when diving and turning. The back of the glasses has an adjustable, two-piece strap with a snap lock. The goggles have five interchangeable nose bridges for different face shapes and nose heights. The Cobra Ultra goggles are available in several different color options. The lens darkness varies on a scale of 1-10, from lightest to darkest. The silver mirror lenses have a darkness level of 10. FINA / World Aquatics approved. - Low profile competition goggles - Streamlined lenses, wide field of vision to the sides and down