SIZING INFORMATION: This frame size is XX-Large with a hinge to hinge measurement of 211 mm. Designed for wide faces or those who prefer extended coverage. FRAME FEATURES: OO9406 Sutro sky shield sunglasses for men extend your peripheral field of vision with a lightweight high-wrap O-Matter frame and Unobtainium nosepads for a secure fit. Prizm Sapphire lenses enhance color in bright light. LENS FEATURES: Plutonite lenses provide impact resistance and 100% UV protection (UVA, UVB, UVC, and blue light up to 400nm). PRIZM SAPPHIRE EVERYDAY are for use in medium to bright light, offering a vibrant environment. Light transmission: 12%. O MATTER FRAME & HIGH DEFINITION OPTICS (HDO): Oakley's lightweight, stress-resistant O-Matter frame ensures all-day comfort and protection. Patented HDO provides superior clarity and razor-sharp vision at every angle perfect for everyday wear and sports. UNOBTAINIUM NOSE PADS & THREE-POINT FIT: Unobtainium nosepads increase grip with perspiration to help keep the eyewear securely in place. Three-Point Fit holds lenses in precise optical alignment. MICROBAG, CLEANING CLOTH & BRAND SHOP: Your new eyewear comes with a specially-woven electrostatic Microclear bag for cleaning and storage. Click on the Oakley link above the product title to shop the entire Oakley sunglass and eyeglass assortment.