... Watertight silicone seals UV protection Shatter resistance One piece swim gogglesFeatures:1.Anti-fog,100%UV protection,2. Hydrodynamic ... .Headestrap made of silicone,provides with soft and comfort.6.One-piece structure,streamline design minimize drag resistance.7.Lightweight to feel ... product models(competitive/racing/contest style, adult/senior/professional group) one piece swim goggles