Oakley Half Jacket in polished black is essential gear for world-class athletes, and version 2.0 sculpts performance, protection and comfort with a new dimension of style. This interchangeable lens design lets you adapt your vision to the environment while giving you the premium clarity and protection of High Definition Optics (Hdo). Oakley HDPolarized lenses in black iridium block performance-killing glare. The sculpturally entwined Unobtainium earsock update enhances non-slip performance and comfort.