5 11/16" (144mm) x 2 3/8" (59mm) 5 11/16" (144mm) x 2 3/8" (59mm) 100% UV400 Premium Polycarbonate Lenses Reinforced Metal Hinges ergonomic nose bridge/pad design will give you maximum comfort Large, round, bold and chic these fashionable frames are reminiscent of circa 1950's era and perfect for any season. Made with an composit plastic based frame, metal hinges, and smoke polycarbonate 100% UV400 protected lenses. (a454)