SWIMMING GOGGLES: arena Air-Bold Swipe goggles feature panoramic lenses with UV protection for enhanced side visibility and a single adjustable strap at the sides to ensure a comfortable and stable fit even with long hair ANTI-FOG SWIPE TECHNOLOGY: every time the lenses fog up, reactivate the anti-fog feature by rubbing the inside of the lenses five times while holding the goggles underwater. Thanks to swipe technology, the anti-fog feature lasts 10 times longer AIR SEAL GASKETS: thanks to their honeycomb structure, the state-of-the-art air seals are able to compress and adapt to the shape of your face, providing an extremely light feel FOR FITNESS SWIMMERS: the arena Air-Bold Swipe goggles are designed for all regular swimmers and triathletes looking for dependable equipment for their performance COMPOSITION: these women's and men's swimming goggles are made of 50% Polycarbonate, 30% Thermoplastic Elastomer and 20% Silicone MEDIUM-DARK LENSES: adult goggles equipped with medium-dark lenses, optimal for swimming in all conditions and variable or intermediate light levels