Swimtastic&reg; Swim Goggles Rec-X Fog Resistant Lenses Our swimming goggles have interchangeable nose pieces so they fit great on men, women & children Uv coating prevents your eyes from being damaged by harmful rays of the sun while you're in the water Polycarbonate goggle lenses are anti-fog & scratch-resistant, providing exceptional visual clarity Made from 100% silicone providing a more comfortable fit & better seal than latex swim goggles Molded double head strap keeps the goggles in place on your head so they don't come off in the water