Oakley's Fast Jacket™ Sunglasses have an open-edge lens architecture to give you an advantage when looking through the downward view. High Definition Optics® keep your vision clear and colors sharp, especially with the cushioned lens suspension system that reduces distortion. You can also switch the lenses quicky and securely with Switchlock interchangeable technology. The frame is comfortably lightweight O Matter®, a durable material that withstands the punishment of pro sports. Each frame comes with two sizes of interchangeable nosepads to help you get a precise fit. This frame is prescription ready. 100% UV protected.