The Zoggs Predator Flex Reactor goggles are a great choice for open water swimmers and triathletes. These Predator Flex Reactor goggles have Photochromatic lenses which react to the sun's rays, allowing for a darker and more protective tint in brighter conditions, and complete clarity in cloudy or overcast conditions. These Predator Reactor goggles utilise Zoggs Ultra Fit gasket that works to reduce pressure and red marks around the eyes for comfortable, distraction-free swimming The Predator Titanium Reactor goggles offer unrivalled fit, thanks to the use of 3D flexpoints for enhanced frame flexibility and a customised fit. With CLT (Curved Lens Technology), these performance swimming goggles offer 180-degree peripheral vision, with clear, anti-fog lenses ensuring you never have to stop poolside to wipe your lenses.  Featuring Zoggs CLT Curved Lens Technology, these goggles provide undistorted 180° peripheral vision. Zoggs Fogbuster anti-fog treatment will help the lenses provide even clearer vision for longer, while an easy-adjust silicone strap offers excellent strength, comfort and durability. UV-protection has been built into the lenses to keep your eyes protected from high levels of light and harmful UV rays. Features: Photochromatic lenses that react to light levels. Curved lens for 180 degree vision. anti-fog technology to make sure you can swim clearly. UV Protection to protect your eyes from high levels of light and harmful UV rays from harmful rays. 3D Flexpoint to ensure the best fit yet. Exclusive Advanced Ultra Fit gasket, designed to reduce pressure around the eye socket for exceptional comfort. Split strap for greater security. Quick-adjust design, so you can get the perfect fit quickly, and easily. Comes with Goggle Case. Fina approved.