The OAKLEY Flak 2.0 XL Prizm Replacement Lens is an authentic Oakley product designed specifically for the Flak 2.0 XL model. These multicolor lenses feature Oakley's signature Prizm lens technology, providing excellent UV protection including UVA protection. Made in the United States, these replacement lenses are perfect for both men and women looking to customize their sunglasses with a variety of tint options. Upgrade your Oakley Flak 2.0 XL frames with these high-quality lenses for a stylish and functional accessory.