With the XYZ Optics, you get crisp clarity at every angle. The most optically pure lens material Oakley Plutonite filters out 100% of all UV, and available editions let you choose options like Iridium lens coating that balances light transmission.Ultra-lightweight C-5 alloy frame materialUnobtainium earsocks and air-filled nosepads for increased comfort and performanceIntegrated spring hinge for comfortIridium lensProtective hard case included