Oakley(R) Sutro redefines the look of traditional sports-performance eyewear. Inspired by the daily life of urban cyclists, the high-wrap shield creates a bold, versatile look, protects from the elements and enhances vision with Prizm(TM) Lens Technology, while inspiring athletes to move confidently and seamlessly through their day. Fit & Design: Durability and all-day comfort of lightweight O Matter(TM) frame material Unobtainium(R) nosepads increase grip with perspiration to help keep the eyewear securely in place Prizm(TM) lenses are designed to enhance color, contrast and detail Additional Details: 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