Customize your Oakleys–these Flak 2.0 XL Replacement Lenses will perfectly tailor them to specific conditions. When it comes to performance-focused sunglasses for active lifestyles, Oakley is arguably the most recognizable brand in the world. And for good reason: These shades don’t just look sporty, they possess the design and technology to back up that reputation. In beautiful tints that boost vision in particular conditions, these lenses offer additional options. Choose mirror coatings for reflecting intense light. Opt for polarized lenses to block UV wavelengths and reduce glare from water. Or choose photochromic lenses for sunglasses that automatically adjust to your surroundings, turning dark in sunny conditions and clear for indoor applications. Changing lenses on the Flak 2.0 XL is easy by design–level up your performance with exactly the right lenses.