Jawbreaker is part of Oakley's "The Performance Collection", and is designed together with racing cyclist Mark Cavendish, to take bike glasses to the next level. The extended upper field of view combined with High Definition Optics® gives you perfect vision. Covered with a rubber layer of Unobtainium® over the nose bridge and temples to keep the glasses in place, even when you get sweaty. Equipped with Oakley's most advanced Switchlock™ technology that makes it quick and simple to change the lens, perfect for quick weather changes.