1.Perfect Fit: The adjustable strap with quick-release bucket makes you easily put on and take off the adult swim goggles. Tighten or loosen the strap to fit your head size. The mens swimming goggles can be easily adjust to the size with the strap ratchets. 2.Anti-Fog: The anti-fog coating and high level impact-resistant lenses provide you with higher waterproof performance. The frame of swim goggles adult is made of strong polycarbonate material, which is durable and helps to reduce the pressure around eyes. 3.Innovative Design: Upgraded conjoined earplug design can effectively prevent your ears from water, especially for the beginners. One-piece lens design maximizes the field of view. The new version swimming glasses will bring you a completely new outlook. 4.UV Protection: These adult goggles are applied with UV-resistant coating, so they have special anti-ultraviolet function, preventing your eyes from the damage of the ultraviolet. The premium plated adult swimming goggles lenses gives you the clearest vision under the water. 5.Ergonomic Design: Wider flexible food-grade silicone skirt prevent goggles from leaking. Adjusted nose bridge and 3D frame fits the unique contours of your face. These adult swimming goggles offer you the best wearing experience.