Oakley Jawbreaker Photocromatic SunglassesJawbreaker™ 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 Switchlock™ technology for vision optimisation in any setting.Features:Extended field of view in the upper peripheral region is optimised for cyclingUnobtanium® earsocks keep glasses in place, increasing grip despite perspirationSwitchlock™ interchangeable lens technology makes changing lenses fast and securePatented High Definition Optics® (HDO®) provides superior optical clarity and razor-sharp vision at every anglePlease note - Nosepads are not includedTechnologies:A field of view like never before: Oakley have utilised the latest technologies in eye tracking to find the angles of vision cyclists depend on most. That critical information led to a greatly expanded field of view for Jawbreaker, 44% larger than standard dual-lens sunglasses.Engineered for full protection: Oakley has created performance eyewear with true full-frame protection that extends around the entire lens perimeter, shielding your eyes with impact resistance without compromising the field of view or ventilation.Engineered for maximised airflow: A specially designed ventilation system optimises airflow so even when you’re pushing through stagnant air, a subtle flow helps you stay comfortable and prevents fog build-up. Vent placement keeps drafts away from your eyes to prevent distraction.Change lenses in seconds: Jawbreaker utilises the most advanced version of Oakley Switchlock™ Technology, a hassle-free interchangeable lens system. It lets you adapt your vision to the environment and helps you keep up with changing light.Adjustable stem design: To give you the best possible fit, Oakley have analysed everything from MTB and road helmets to variances in cranial anatomy. The stems adjust to three different lengths and maintain a comfortably secure grip without interfering with your helmet.Buy Oakley Accessories from Chain Reaction Cycles, the World's Largest Online Bike Store.