Fit & Design Dual, square-shape lens design Durable, lightweight O Matter(TM) frame material Unobtainium(R) sport ligature nosepad designed to reduce bobbing bouncing with no-slip grip Unobtainium(R) earsocks provide no-slip grip when wet to help increase retention Wide - high bridge fit Technology Prizm(TM) Lens Technology engineered to enhance color and contrast to see more detail Oakley lenses are designed and tested under extreme high mass and high velocity circumstances to ensure uncompromising protection across a wide range of demanding conditions