FRAME FEATURES: OX8055 Exchange are the perfect everyday frame with a lightweight O Matter front, Unobtainium earsocks and mold-in nosepads. They feature a rectangular, matte clear frame. DUALITY COLLECTION: Address the duality within to find balance, with high contrast focus on black and white and "Duality swirl" paint treatments. PRESCRIPTION READY EYEGLASS FRAMES: Oakley eyeglass frames feature lenses that need to be replaced with prescription lenses so you can enjoy clear vision. STORAGE CASE INCLUDED: Packaged in hard case to store and protect 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.