Excellent -fog performance: Using advanced -fog coating technology, a long-lasting and effective -fog coating is inside the lens, which greatly reduces water condensation. Even in a swimming pool environment with a large temperature difference, it can maintain a clear for a long , allowing you to focus on swimming without frequent wiping of the lens. ​ <br> <br> Full-angle view and wide field of view: The unique large frame design, with ergonomic curved , through the limitations of traditional swimming goggles and provides an -wide-angle view of nearly 180 , with a panoramic view of the underwater and the surrounding environment. Whether it is observing the swimming lane during swimming pool training or paying attention to conditions in open waters, it can be easily dealt with. ​ <br> <br> Comfortable fit: The frame is made of soft -grade silicone material, which fits the facial tightly, effectively water leakage while reducing pressure on the skin around the eyes. It is not easy to cause marks even if worn for a long ; the adjustable elastic strap can be quickly adjusted to the appropriate tightness according to different head shapes and wearing habits to stability and comfort.​ <br> <br> High-quality and durable material: The whole is made of high-quality materials. The have good resistance and are not easy to break. They can withstand accidental collisions in daily use. The frame of the lens is sturdy and durable, wear- and -. Even with frequent use and long-term storage, it can maintain good performance and appearance. ​ <br> <br> Function: The are specially to effectively filter UVA and in the sun, providing all-round for the eyes. It is not suitable for indoor swimming pools, but also meets the needs of outdoor swimming, allowing you to enjoy the sun and water without worrying about causing damage to your eyes. ​ <br> <br> Material: PolycarbonatePackage weight: 150gPackage size: 16x7x6cm