Try on the OO9188-58 FLAK 2.0 XL at your local Nationwide Vision location. These black designer sunglasses from Oakley Sun are perfect for enjoying time outdoors and catching some sun. Made from nylon, these sunglasses feature a design and can help you see clearly with prescription lenses. At Nationwide Vision, we can build a complete pair of Oakley Sun OO9188-58 FLAK 2.0 XL just for you, with custom lenses designed for your vision needs.