SIZING INFORMATION: This frame size is X-Large with a hinge to hinge measurement of 138. Ideal for wide faces. FRAME FEATURES: OO9528 Neoforma feature an oval, matte blue/silver colorshift frame and Prizm slate lenses. Oakley Plutonite lenses offer impact resistance and 100% UV protection (UVA, UVB, UVC, and blue light up to 400nm). PRIZM GREY EVERYDAY enhance the environment with vibrant detail, particularly effective in bright light. Light transmission: 17%. O MATTER STRESS-RESISTANT FRAME: Oakley's lightweight, durable frame ensures all-day comfort and protection. Injection-molded thermoplastic O-Matter offers better strength and flexibility than acetate, resisting shifting or deforming over time. MICROBAG AND CLEANING CLOTH INCLUDED: Packaged in Microbag to clean and store your Oakley eyewear. VISIT THE OAKLEY BRAND SHOP: Click on the Oakley link above the product title to shop the entire Oakley sunglass and eyeglass assortment.