Sport professionals demand nothing less than the best, and Oakley has answered their challenge for decades. World-class athletes have driven Oakley to create innovation after innovation, including interchangeable lens designs with unbeatable optical clarity. Flak Jacket takes that to the next level with the latest in performance technology. Prizm#8482 is a revolution in lens optics built on decades of color science research. Prizm#8482 lenses provide unprecedented control of light transmission resulting in colors precisely tuned to maximize contrast and enhance visibility. This state of the art technology fine tunes vision for specific sports and environments. Plutonite® lens High Definition Optics® Impact protection 100% UV protection Three-Point fit O-Matter#8482 Unobtainium®.