Oakley Adult Jawbreaker Sunglasses, Matte Black/Prizm Road, One SizeJawbreakerTM is the ultimate sport design answering the demands of world class athletes with a 40 year heritage of uncompromising excellence. Oakley innovation has reached the pinnacle of performance by offering everything from surge ports for cooling airflow to Unobtainium components for a comfortably secure fit, and with the hassle free lens changing of SwitchlockTM technology for vision optimization in any setting.