Oakley flak® 2. 0 xl sunglasses are a perfect blend of style and performance. The rectangle shape, crafted from durable o matter material, offers a comfortable and ergonomic fit. The matte black frame is complemented by prizm rose gold polarized lenses, which offer superior glare reduction for enhanced visibility. The prizm polarized lens treatment enhances color contrast and clarity for an optimized experience on the road or trail. Available with prescription lenses.