SIZING INFORMATION: This frame size is Small with a hinge to hinge measurement of 126. Ideal for narrow to average faces. FRAME FEATURES: OX8203 Neomata feature a rectangular, polished clear frame. PRESCRIPTION READY EYEGLASS FRAMES: Oakley eyeglass frames feature lenses that need to be replaced with prescription lenses so you can enjoy clear vision. 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. Unobtainium EARSOCKS & NOSE PADS: Unobtainium earsocks and nose pads for increased comfort and performance. Pads increase grip with perspiration to help provide a secure and custom fit. VISIT THE OAKLEY BRAND SHOP: Click on the Oakley link above the product title to shop the entire Oakley sunglass and eyeglass assortment.