Rosa Schleife Swim Goggle, Large Swimming Goggles with Siamese Ear Plugs Anti-Fog and UV Protection Clear Lens for Adult Men Women Indoor Outdoor Ocean Swimming Goggles(Black) COMFORTABLE - Swimming goggles using high quality imported PC and silicone materials and imported UV stable materials. anti-shatter, anti-fog, anti-uv : Mirrored and anti-fog lenses filters out powerful rays of light to enhance sight clarity, uv protection makes it nice in the bright sun outdoors. Ideal for use in outdoor swimming or competitions. SIAMESE EAR PLUG DESIGN - The earplugs are attached to protect swimmers' ears, a fixed designand you will never lose them. Ergonomic completely sealed silicone protective circle design prevent water from entering your goggles ,and help to reduce the pressure around the eyes, keep your eyes dry and comfortable. STRAP ADJUSTMENT - The headband is made of soft and elastic silicon,comfortable to wear,as well as prevent eyeglass slipping during swimming. Adjustable headband offers different size options to Fit Any Size. Very easy and handy to use to adjust the strap. It's also adjustable at different angles to fit your head size. ERGONOMIC DESIGN - Ergonomic completely sealed silicone protective circle design can help to reduce the pressure around the eyes and let you enjoy swimming. ANTI-SHATTER, ANTI-FOG, and MIRROR COATED LENSES - Durable lenses help to eliminate goggle fogging! Swim goggles also provide EXCEPTIONAL CLARITY and underwater vision - anti-Shatter technology protects against drops and scratches.