Almatess Adjustable Adult Waterproof Goggles UV Protection Anti-fog Designed Swimming Glasses Widest Panoramic lens with mirror coating, anti fog treatment and UV protection. Mirrored lenses are used in very bright conditions as the mirror lens reflect the light away from the eyes. Goggles fit comfortably around your eye sockets and don't have to create too much pressure to keep the water out. Because the gaskets around the eyepieces are thick and curved in a way that will probably fit most faces. Made of high quality environmental polycarbonate lenses & silicone strap, lenses offer UV protection. The headstrap is made of 100% soft and elastic silicon,comfortable to wear,as well as prevent eyeglass slipping during swimming.and the adjustable side buckles offers different size options within easy reach.