Whale Professional Racing Swimming Goggles with 3 Adjustable PU Nose Bridges (S/M/L) for Adults Ultra Low Profile Design Perfect for Both Indoor Pool and Outdoor What do we use swimming goggles for?! Of course for protecting our eyes from the bacteria of the water! The silicon gasket of the lens can stick to your face with suction snugly so that to provide a LEAK-PROOF space for your eyes. Also, the gaskets seals very well so there is no chance for water to invade from the perimeter. That is the meaning of swimming goggles! Do not let leaking bother you! SUPER COMFORTABLE! Whale Swimming Goggles can perfectly fit your head and face by adopting ergonomic design. The superior double silicone straps and eyecups are elastic and secure enough to keep your eyes and head comfortable and provide them uniform pressures. This pair of swimming goggles just sits over your eyes area instead of right up against your eye sockets. Suitable for casual swimming as well as a long time training or racing. ANTI FOG! The anti-fog coating was made of enhanced hydrophilic anti-mist material which creates long durability and quick defogging in order to keep the lens always clear both underwater and above water. No more blurry or distorted vision, no more headaches. The streamlined design could help you reduce water resistance substantially when swimming. This pair of goggles are engineered for triathlon, open water and training. EASY ADJUSTMENT! Narrow face? Big head? Whatever~ 3 SIZE INTERCHANGEABLE and FLEXIBLE PU NOSE BRIDGES for you to choose, fit for all shapes of face. It is also very easy to adjust the straps quickly to the proper length with the clips. Comes with a hard plastic case for a convenient carrying so that to keep lenses in pristine condition without scratching. The lens made of superior hard polycarbonate material are SHOCK PROOF and ANTI-UV to provide complete protection for your eyes. A poor quality swimming goggles will definitely affect your eyesight. So the clarity of the lens is very important. Whale wide peripheral lens also provide you WIDE VISION with HIGH CLARITY. You gonna love it when you have it!