Add the Oakley Carbon Shift frames to your new season sunglasses collection and greatly enhance your sports performance and outdoor experiences. The Industrial design architecture of these frames blends earstems of carbon fiber and lightweight aluminium with a durable O Matter™ front, combining innovation and style. Other features include: Unobtainium™ earsocks increase grip without compromising on style. Blend of premium materials including lightweight carbon fiber, sculptured aluminum, and O Matter™ Comfort and performance of Three-Point Fit that holds lenses in precise optical alignment Optimal precision and impact resistance that meet or exceed ANSI Z80.3 optical and basic impact standards High Definition Optics® (HDO®) is a collection of patented technologies that allow Oakley eyewear to meet or exceed the testing standards of the American National Standards Institute for optical clarity, visual fidelity, and impact resistance.