Maximize your field of vision with open-edge lenses made of optically pure Plutonite®. The rimless architecture minimizes weight with durable C-5 alloy, a proprietary blend of five metal compounds. Sleek linear earstems are augmented with Unobtainium® to maintain a secure, comfortable fit. Patented XYZ Optics® maintains clarity at all angles of vision while optional Iridium® lens coatings cut glare and boost contrast.