AiGoo Swimming Glass, Mirrored Anti-fog U.V Protection Swim Goggles for Adult, Men, Women,Indoor and Open Water Swimming Lenses made of High-class PC glasses,100% UV protection,and Anti-fog coated, Anti-shatter, and watertight, Strap adjustment is quick and easy. Waterproof Silicone Seal:sealed silicone protective circle design can help to reduce the pressure around the eyes with good non-fogging and anti-UV effect. Soft & Durable:headstrap is made of 100% soft and elastic silicon,easy to adjust,comfortable to wear,as well as prevent eyeglass slipping during swimming. Comes with 3 interchangeable nose Clip:Small, Medium, & Large,can be adjusted according to the size and shape of your face to make you feel comfortable while swimming. High-end Electroplating Lenses - The compressive strength, high wear resistance, and high light transmittance, big frame make your wearing more comfortable. Big frame provides added comfort and wide angel of view, the swim goggle can improve your vision and improve your speed.