It took three decades to achieve next to nothing. That's the only way to describe the weight of the Oakley Nanowire, a titanium alloy frame that practically feels buoyant in air. But the real breakthrough is the adaptable fit, a benefit of memory metal that allows Oakley to create true sculptural contours that stay comfortably flexible. With a rimless design, it's probably the lightest sunglass you'll ever wear, even though it carries a ton of optical innovation.The unbeatable clarity of High Definition Optics (HDO) has been matched with the finest technologies ever to tame light rays. The Oakley Nanowire blocks glare with 99% polarization efficiency, thanks to the best polarized lenses on the planet. Oakley's permanent Hydrophobic lens coating repels water, skin oils and dust. Iridium lens coating balances light to optimize vision, and the lenses even have anti-reflective coating on the back side. XYZ Optics maximizes clarity at all angles of view, and our Plutonite lenses filter out all UV. If you need prescription lenses, this frame can go that route.