From day one, our goal with the Flak 2.0 XL was to create world-class sports equipment. Training and competition can take you from bright sun to overcast skies and everything in-between, so we engineered an interchangeable lens design that lets you adapt. With extra lens sets, you'll always have the best optics for current conditions, and you'll be ready for whatever the sun does ten minutes from now.
High Definition Optics® (HDO®) is a collection of patented technologies that allow Oakley eyewear to meet or exceed the testing standards of the American National Standards Institute for optical clarity, visual fidelity, and impact resistance.
Prizm is a revolution in lens optics built on decades of color science research. Prizm lenses provide unprecedented control of light transmission resulting in colors precisely tuned to maximize contrast and enhance visibility.