SIZING INFORMATION: This frame size is Large with a hinge to hinge measurement of 133. Ideal for average to wide faces. FRAME FEATURES: OO9530 Terraforma feature a rectangular, matte clear frame and Prizm ruby lenses. Oakley Plutonite lenses provide impact resistance and 100% UV protection (UVA, UVB, UVC, and blue light up to 400nm). PRIZM RUBY EVERYDAY enhance color vividness and increase contrast in medium to bright light conditions. 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.