The Oakley Flak 2.0 XL sunglasses fitted with prizm fark golf lenses are a durable pair of performance eyewear for all sportsmen and outdoor enthusiasts. Featuring an aerodynamic shape and Prizm lens technology, the Oakley Flak 2.0 XL sunglasses are the ultimate sports style today. As the undisputed leader in performance eyewear, Oakley continues to advance sport technology and redefine the lifestyle market with patented optical innovations.