Jet 2.0 Black Mirror Goggle is an entry-level active goggle with a new single strap. The single-head strap is for easy fitting and has an adjustable nose bridge to fit a range of face shapes. These goggles have an internal coating on the lens, inhibiting fog formation on the inside, enabling you to see more clearly throughout your swim session. It also has eye protection against harmful ultraviolet (UV) radiation from the Sun. If you swim outside, especially in summer when the radiation is more intense, then it's advisable to choose goggles with UV protection.