Durable C-5™ alloy let us create a thin frame with a nuance of sculpturing along its sleek linear temples. Cathode echoes the smooth attitude of our renowned Sliver frames, and the idea here is subtle refinement in a look that takes you anywhere. Semi-rimless architecture makes it lightweight for a barely-there feel, and Unobtainium® components keep it in place with all-day comfort. • Semi Rim design • Thin lightweight construction with distinctive sculptural stem design • Constructed of lightweight, durable C5 Material • Grip fit clear nosepads provide durability, all day comfort and a seamless look • No-slip Unobtainium® earsocks: Increase grip with perspiration • Adjustable wire core temples • Three-Point Fit: Comfort and performance that holds lenses in precise optical alignment • Available in two sizes 52/54 • 4 Base lens allows for wide prescription range • Available with Oakley® Authentic Prescription Lenses • Protective carrying case included