Featuring three SETS of polycarbonate lite mirror lenses, travel case, wrap styling & a frame sized to fit most all faces. Frame: Silver transp. 1.Lens: PC/litemirror silver - for bright sun 2.Lens: PC/ litemirror green for low-light days 3.Lens: PC/ litemirror clear - for wind & dust protection All uvex sports glasses lenses are made of makrolon®, the high-tech polycarbonate from Bayer. The material makrolon® gets a high transparency, a high impact-resistance and is practically unbreakable. Due to the excellent material purity and characteristics uvex sports glasses are meeting optical quality standards. Makrolon® lenses even withstand the impact test in the laboratory, where a rock fall of nearly 600 km/h is simulated.