The Salvatore Ferragamo SF137SP sunglasses feature real carbon fiber temples and high quality polarized lenses. The shape is a bold rectangular modifed aviator style with a carbon fiber insert in the bridge. Spring hinges ensure comfort and ideal fit. The fashion house of Ferragamo has its roots in 1920s Hollywood where the iconic designer created unique shoes for movie stars of the time. These sunglasses follow the long tradition of stunning designs and a close attention to detail.