The Oakley Sutro S has everything you love about the Sutro in a scaled-down version. This model fits small to medium head sizes best. The PRIZM lens shield offers tons of wind and sun protection making this frame great for cycling or mountain biking. A beefy Unobtainium saddle bridge keeps these sunglasses securely in place on your face long after you break a sweat. O Matter frame construction makes this sunglass both lightweight and incredibly durable. Get maximum coverage in this full shield design with the Oakley Sutro S!