Item #452940 AL2 Fog- and scratch-resistant lenses Optical grade polycarbonate lenses block UV rays Kid-friendly straps adjust at the touch of a button Silicone gaskets provide a leak-free fit Imported A clear view meets a great fit. These anti-fog goggles will keep everything clear for your little mermaid or sea monster. The fog- and scratch-resistant polycarbonate lenses also filter out harmful UV rays. Plus, like all TYR® goggles, theyâre constructed with durable, hypoallergenic silicone gaskets and feature a secure release button for easy strap adjustment.