Oakley sutro sapphire prizm sunglassescycling eyewear thats built to perform, the oakley sutro sapphire prizm sunglasses deliver a bold and versatile style that looks great on and off the bike.the sutro sunglasses have a large, full rim frame that is formed with o mattertrade which is durable, flexible and lightweight. Keeping the glasses in position, the frame is stabilised by the unobtainiumreg nosepads which also cushion the fit for long lasting comfort.the large single lens acts as a shield and stretches your peripheral vision. Further enhancing your vision, the lens comes with prizmtrade technology which boosts colour and contrast, allowing you to see in far more detail.lens specificationslight transmission 12%light conditions bright lightcontrast increasedbase lens colour greyfeaturesprizmtrade lens technology enhances colour and contrast so you can see more detaillarge lens for enhanced peripheral vision and full coverage protectiono mattertrade frame material provides durability and all day comfort to keep up with life on the gounobtainiumreg nosepads provide increased comfort and performance and increase grip with sweatthin temples fit with hats and helmetsbuy oakley sunglasses from chain reaction cycles, the world's largest online bike store.