FRAME FEATURES: OX8100F Holbrook RX Low Bridge Fit eyeglass frames are a scale down version of the sun Holbrook, made with durable O-Matter. They feature a square, satin black frame with adjustable Ace-fit temples. Lenses are cut higher and wider than the global fit version, to accommodate a wider range of face shapes. PRESCRIPTION READY EYEGLASS FRAMES: Oakley eyeglass frames feature lenses that need to be replaced with prescription lenses so you can enjoy clear vision. CASE AND CLEANING CLOTH INCLUDED: Packaged in a hard case 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. O MATTER STRESS-RESISTANT FRAME: Oakley's stress-resistant frame is lightweight & durable for all-day comfort & protection. The injection molded thermoplastic O-Matter frame provides improved strength & flexibility over traditional acetate & is built to withstand shifting or deforming over time. 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.