This version of the aqua sphere kayenne swimming goggles has blue lenses which have been anti fog treated so you swim with long lasting clear vision the plexisol lenses are extra large and very durable expanded to give you 180 degree visibility the quick fit buckle enables one touch adjustment even when wearing the goggles so they stay comfortable on you at all times the silicone straps and the nose bridge make for a secure and comfortable fit and the lenses provide 100 uvauvb protection