Oakley jawbreaker iridium sunglassesto overcome the limited field of view in conventional sunglasses oakley has teamed up with mark cavendish to produce the jawbreaker with a field of view thats 44 larger than standard glasses there are fewer blind spots and greater protection the jawbreaker is the ultimate in sporting design switchlock technology adjustable stemsthe addition of switchlock technology for easy lens changing and adjustable stems that adjust to three different lengths for