Features 1. Swimming goggles use polarized lenses, which can better protect your eyes from UV and strong sunlight damage, restore the true color, make the vision clearer and prevent dazzling, not only suitable for indoor swimming pools, but also suitable for open water or swimming in the ocean, surfing, kayaking, triathlon and other water sports. 2. Fog-up is really annoying when swimming. Polarized swimming goggles feature high-tech anti-fog and UV protection coated lenses, enhanced anti-fog technology that won't fog up when swimming underwater even for a long time, and offers unmatched clarity. Please note: Do not touch the inner surface of the lens with your hands or sharp tools, otherwise it will damage the lens and destroy the anti-UV and anti-fog functions. 3. The swim goggles design with soft and flexible silicone gaskets, easily adjustable headband, and TPR ergonomic nose bridge, which providing excellent softness and fit.It is suitable for all kinds of women and men face shapes. In addition, the 3D double sealing frame creates a perfect seal around the eyes, ensuring no water gets in. Comfortable and leak-free, no raccoon eyes for swimming. 4. The curved mirror design provides better light transmission and a larger 180-degree panoramic field of the view.Coupled with the HD lenses, you can see the underwater field of vision clearly without blurring or deformation. You can swim unimpeded, stay safe at all times, and enjoy a variety of water sports. Specification Product Name: Anti fog swimming goggles Material: PC lens/silicone lens ring/silicone lens strap Product size: 175 * 46mm Package Include: 1* swimming goggles