SIZING INFORMATION: This frame size is Small with a hinge to hinge measurement of 127 mm. Ideal for narrow to average faces. FRAME FEATURES: OO9284 Frogskins Range feature a round, titanium frame and prizm black polarized lenses Oakley Plutonite lenses offer impact resistance and 100% UV protection (UVA, UVB, UVC and blue light up to 400mm). PRIZM BLACK POLARIZED are ideal for bright light and increased vibrance. HD Polarized lenses block 99% glare. Light transmission: 11% MICROBAG AND CLEANING CLOTH INCLUDED: Packaged in Mircobag to clean and store your Oakley eyewear BIO-MATTER FRAME: BiO-Matter frame material is made from bio-materials with at least 56% bio-based carbon content. This percentage indicates how much of the material mixture is obtained from castor oil sources versus petrochemical or fossil sources VISIT THE OAKLEY BRAND SHOP: Click on the Oakley link above the product title to shop the entire Oakley sunglass and eyeglass assortment