The Oakley SI Half Jacket 2.0 XL Sunglasses are perfect if you're trying to keep up with the competition, you need to keep up with changing light. Oakley engineered Half Jacket 2.0 to let you swap out the lenses with ease. When they're mounted, you'll have impact protection that meets uncompromising standards. Optimized with Unobtanium earsocks to grip better when you sweat and a lightweight O-Matter stress-resistant frame for comfort and durability. The Unobtanium nosepads keep glasses in place, increasing grip despite perspiration. The XL edition offers enhanced lens coverage and specialized lens curvature for protection against sun, wind and impact.Important Note: Use care when installing/removing accessory lenses. Scratched lenses can not be returned and are not covered under Oakley's warranty policy. FeaturesXL edition offers enhanced lens coverageUnobtanium earsocks and nosepiece keep glasses in placeInterchangeable lenses change in seconds O-Matter stress-r...