Oakley 9463-74 Sutro Lite Matte Black Prizm BlackFeatures Prizm lenses for improved color, contrast, and detail vision A wraparound half frame of moderate size for a wider field of vision and better air circulation O Matter frame material offers maximum stability and all day comfort Textured Unobtainium on the inside of the temples for better grip High performance Oakley nosepads made from Unobtainium offer maximum comfort and are particularly slip resistant when sweating