These premium racing goggles from Arena in black and blue are the ideal companion for competitive swimmers, triathletes and open water swimmers. Arena's innovative lenses ensure an aqua dynamic sealing on the cheekbones that reduce water turbulence and drag. The new Swipe models of the Arena Cobra Core range have special anti-fog technology that keeps them from clouding over 10 times longer. Restore your clear vision just by swiping the inner lenses when in the pool. The blue tinted lenses reduce glare in when swimming in bright conditions. a great choice for outdoors swimmers.The Arena Cobra Core Swipe goggles come with 4 interchangeable nose pieces so that you are able to get the best fit. The split head band can be quickly adjusted with the easy to use buckle and ensures a solid fit on start and turn.Like all arena goggles, the Cobra Core goggles feature UV protection 400 and is PVC free. Wide vision and maximum comfort at top speed. Now featuring the best anti-fog technology available, that can be reactivated with a simple gesture. Features: Premium FINA Approved racing goggles Anti-fog reactivated with a simple gesture Large field of view, low profile, optimal sealing Split head band for solid fit on start and turn UV protection, anti-fog treatment, PVC free Also for triathlon and open water Materials: Lens - polycarbonate Seal - Japanese TPE Strap - Silicone