The Oakley Sutro Lite Sweep OO9465 946505 sunglasses are lightened at the bottom for increased comfort during long usage sessions. Made of O Matter, Oakley's exclusive material, they are lightweight and durable, and stay securely on the face thanks to the Unobtainium nose pads. Visibility and contrast are significantly improved with Oakley's Prizm technology. Perfect for cyclists or anyone looking for a snug, durable, and protective model.