FRAME FEATURES: OO9431 Lateralis feature a rectangular, matte sand frame in durable O-Matter, with Unobtainium earsocks and nosepads for a no-slip fit and tungsten polarized lenses. CASE AND CLEANING CLOTH INCLUDED: Packaged in a Microbag with a cleaning cloth 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 lightweight, durable frame ensures all-day comfort and protection. Injection-molded thermoplastic O-Matter offers better strength and flexibility than acetate, resisting shifting or deforming over time.