Imported Adjustable closure Polycarbonate frame Polycarbonate lens Anti-UV&Anti-Fog coating Swim Goggle for Beach/Pool/Labs: Comfort First! Our swimming goggles use soft silicone cushioned frames for best possible fit, 100% latex-free, which relieves the pressure on the skin and creates a waterproof seal to prevent eyes from chlorine and raccoon.Large-framed swim goggles look great any way you wear. ANTI-FOGThe inner lenses are coated with the latest anti-fog treatment to let you see clearly underwater without blurring or distortion, protecting your kids from heat and sun's harmful damage. With the anti-fog coating, these goggles defog automaticallyto make sure the fog won't condense easily and affect the child's sight.