The Oakley Sliver Prizm is cool - and very relaxed! Here Oakley brings together a simple design, sleek look and creates a highly functional glasses that accompanies the wearer in any situation. A timeless sleek design made even more lightweight with sculptural reliefs on the earstems, Sliver™ takes advantage of a durable yet gravity-defying O Matter™ frame material while letting innovative technologies such as High Definition Optics® (HDO®) work its magic - a collection of patented technologies that allow Oakley eyewear to meet or the testing standards of the American National Standards Institute for optical clarity, visual fidelity, and impact resistance.