The Oakley Flak 2.0 XL sunglasses in polished black and prizm field lenses are an extra large and durable pair of performance eyewear. Perfect for all sportsmen and outdoor enthusiasts, the aerodynamic shape and Prizm lens technology make the Oakley Flak 2.0 XL sunglasses the ultimate sports style. As the undisputed leader in performance eyewear, Oakley continues to advance sport technology and redefine the lifestyle market with patented optical innovations.