Crowell Reef swimming goggles black-red Crowell swimming goggles will allow you to start training with proper preparation. The lenses are connected to each other using a flexible bridge. Split silicone strap with adjustment. Anti-Fog coating protects the glasses from fogging. The glasses are made of polycarbonate with increased resistance to any types of damage scratches. Built-in UV filter. Included reusable plastic box. Material: polycarbonate PC, silicone