Oakley Chainlink™ sunglasses are designed with a polished black ink frame and black iridium polarized lenses, providing you with the ultimate combination of style and functionality. These shades feature o matter frame material for durability and comfort, while the rectangle shape offers a timeless look that will never go out of style. With their polarized lenses, these sunglasses provide optimal glare reduction so you can stay focused on your activities all day long.