Ray-Ban Aviator Flat Metal is a reinterpretation of the Aviator Classic, the most iconic sunglass on the market, which was originally designed for the U.S. military fighter pilots in 1937. The laser cut metal ensures an extremely precise, thin and lightweight frame, for a modern twist on the all-time classic pilot fashionsunglasses. Distinguish yourself from the rest and sport the Aviator Flat Metal RB3513 sunglasses.