This is a pair of prescription sports goggles. Constructed of high-qualified plastic, it boasts extreme durability. The inside prescription frame of this pair of prescription goggle boasts the lens width at 38mm, lens height at 24mm and bridge at 22mm. Outside width is 155mm. It is just perfect for single vision correction needs. The outside wind shade is separate and replaceable. Four extra pairs of outside shades in different colors are for the replacement. There are three oval holes on each temple, helping the skin breathe freely to provide super comfort wear. Frames in black, red and blue are available.