PRESCRIPTION READY: These Oakley optical frames feature lenses that need to be replaced with prescription lenses so you can enjoy clear vision and protect your eyes LIGHTWEIGHT TITANIUM EYEGLASSES: Constructed of a ultra-lightweight, ultra-strong, corrosion resistant titanium VISIT THE OAKLEY BRAND SHOP: Click on the Oakley logo above to view the entire Oakley brand assortment 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.