FRAME FEATURES: OX3217 Socket 5.0 eyeglass frames feature a rectangular, brushed red frame made in lightweight C-5 material, with Unobtainium earsocks and air-filled silicone nosepads that ensure a secure and comfortable fit. PRESCRIPTION READY EYEGLASS FRAMES: Oakley eyeglass frames feature lenses that need to be replaced with prescription lenses so you can enjoy clear vision. MICROBAG AND CLEANING CLOTH INCLUDED: Microbag storage and cleaning cloth included to clean and store your Oakley eyeglass frames. VISIT THE OAKLEY BRAND SHOP: Click on the Oakley link above the product title to shop the entire Oakley sunglass and eyeglass assortment. THREE POINT FIT: Comfort and performance that holds lenses in precise optical alignment. Contact only happens at the bridge of the nose and behind the temples. C-5 ALLOY FRAME: Ultra-lightweight C-5 alloy frame material with acetate stem, which is created by fusing together five metallic compounds, to create an ultra-strong chassis.