TheOakley Jawbreaker Sunglasses areanswering 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 Switchlock™ technology for vision optimization in any setting.Oakley Jawbreaker Prizm Sunglasses FeaturesPRIZM™ is a revolutionary lens technology that fine-tunes vision for specific sports and environments. See what you’ve been missing.Extended field of view in the upper peripheral region to optimize for cyclingUnobtanium® earsocks and nosepads keep glasses in place, increasing grip despite perspirationSwitchlock™ interchangeable lens technology makes lens changing lenses fast and securePatented High Definition Optics® (HDO®) provides superior optical clarity and razor-sharp vision at every angle