This goggle offers super soft elastomer nose bridge and gaskets which provide a significantly improved and comfortable fit, making it ideal for longer swims. With seven faces the swimmers get excellent peripheral vision without the distortion often experienced with curved lenses. The thick, split silicone strap will help to ensure your goggles stay firmly in position. The clamp on the side of the goggle allows the strap to be adjusted easily and quickly, while holding firm at all other times. Features: Mirrored, Antifog Coating, UV Protection, Adjustable Nose Bridge, Replaceable Straps, Replaceable Gaskets.Anti-fog goggles: These goggles have an internal coating on the lens which inhibits the formation of fog on the inside. This enables you to see more clearly throughout the duration of your swim session.These goggles offer protection for the eyes against harmful ultraviolet (UV) radiation from the Sun. If swimming outside, and especially in summer when the radiation is more intense, then it's advisable to choose goggles with UV protection.