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.