Clayton is an easy-to-wear frame that flatters both men's and women's faces. The Black Frame and Blue Water 52mm Lenses sunglasses are paired with the Revo Light Management System for the ultimate lifestyle performance that takes you from the week to weekend seamlessly. The Revo SurfacePro Protection System includes Revo exclusive mirror coatings, Revo Back-Surface Protection Coating, authentic Revo hydrophobic coating, and authentic Revo oleophobic coating. The Revo exclusive mirror coatings has 3-6 layers of high-tech, performance mirror coatings based on NASA lens technology used for satellite protection and Revo back-surface protection coating. The authentic Revo hydrophobic coating is a permanent coating on the back of the lens that repels water and sweat while the authentic Revo oleophobic coating is a permanent coating on the front of the lens that repels oil and fingerprints.