The Oakley Flak® 2.0 XL (OO9189) is a sporty, high-performance sunglass model built for athletic wear. It features a lightweight O-Matter™ frame for durability and comfort through long use. The Unobtainium™ nosepads and earsocks help maintain grip even when you sweat. With HDO® optics and Prizm™ lens options, it offers crisp clarity, enhanced contrast, and effective glare reduction.