Crowell Flo Swimming Goggles Black and Red Properties: Crowell swimming goggles will protect your eyes from the effects of chlorinated water during pool training. This model is recommended for adults and teenagers. The glasses are made of polycarbonate, which has increased resistance to damage and scratches. The Anti-Fog coating, which is an additional layer of the lens, protects the glasses against fogging. Ergonomic shape. Silicone, adjustable clasp. Built-in UV filter. The glasses come with a plastic case. Material: PC polycarbonate, silicone;Crowell Flo Swimming Goggles Black and Green Properties: Crowell swimming goggles will protect your eyes from the effects of chlorinated water during pool training. This model is recommended for adults and teenagers. The glasses are made of polycarbonate, which has increased resistance to damage and scratches. The Anti-Fog coating, which is an additional layer of the lens, protects the glasses against fogging. Ergonomic shape. Silicone, adjustable clasp. Built-in UV filter. The glasses come with a plastic case. Material: PC polycarbonate, silicone