FRAME FEATURES: OX8163 Centerboard are made with durable O-Matter. They feature a round, matte clear crystal blue frame with adjustable Ace-fit temples. FATHOM COLLECTION: Even Beneath a calm surface, a fierce torrent can exist. Transparency in tones shows the storm "hidden within", with a focus on crystal blue and black to depict the storm beneath the surface. 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 STORAGE CASE INCLUDED: Packaged in Microbag and 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.