Oakley Straightlink Sunglasses - Gray Ink with Jade Iridium Lens: Made to keep up with active lifestyles, our newest addition to the Link Collection has the self-assured look of rectangular lens shaping, as well as integrated UnobtainiumA(R) that maintains a secure grip. FEATURES UnobtainiumA(R) earsocks and nosepads increase grip with perspiration for a no slip grip Three-Point Fit holds lenses in precise optical alignment while eliminating pressure points PlutoniteA(R) Lenses offer top UV Protection filtering 100% of all UVA, UVB, UVC and harmful blue light up to 400nm O Matter(TM) stress-resistant frame material is both lightweight and durable for all-day comfort and protection