Air Force is a brand that knows all about aviator sunglasses, and it knows how to take a standard and tested shape and make it new and hip. These great shades are for men who want to look cool and stay comfortable at the same time. The frame is made of metal, flexible and strong with a lightweight feel. The arms are straight and thin and feature a plastic coating over the ears that adds grip. The lenses are rounded with UV400 protection that blocks out the sun.