NIKE EV0927-060 fly sunglasses matte Wolf Grey/Silver, grey w/Silver Flash lens features the NIKE max optics lens technology that allows precise visual information at all angles of view. The fly swift sunglasses have a 6 base frame design for relaxed comfortable fit. There are cam-action hinges that snap firmly into place. These glasses come with a pouch to protect sunglasses when not being worn. Style and comfort tuned to the athlete's lifestyle-this casual sport-inspired style is built for everyday living, but with all the same crucial, athlete-driven innovation as our other performance sunglasses.