Rudy Project's KarbonEye features a revolutionary stainless steel temple core bonded with carbon fiber nano foils and over-injected with protective ergonomic Megol. This unique piece is mounted with our new ImpactX Photochromic shield, delivering both wrap-around protection and light management. Loaded with innovative co-injected Ergonose 4, the Rudy Project KarbonEye is a high-end technical breakthrough for sport freaks and represents the culmination of more than 20 years of research, design and Italian craftsmanship. The KarbonEye is Rx-able with stainless steel over-injected proprietary optical insert. It's great for: Biking, Cycling, Running, Photochromic.