Oakley Sutro sunglasses – Polished Black Prizm Snow Black Oakley® 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™ Lens Technology, while inspiring athletes to move confidently and seamlessly through their day. PRIZM™ is a revolutionary lens technology that fine-tunes vision for specific sports and environments. See what you’ve been missing. Click here to learn more about Prizm Lens Technology. Extended field of view in the upper peripheral region to optimize for cycling. Unobtanium® earsocks and nosepads keep glasses in place, increasing grip despite perspiration. Switchlock™ interchangeable lens technology makes lens changing lenses fast and secure. Patented High Definition Optics® (HDO®) provides superior optical clarity and razor-sharp vision at every angle. Fit: standard. Frame color: Polished Black. Lens color: Prizm Snow Black.