All lenses feature the unbeatable clarity of Oakley's HIGH DEFINITION OPTICS®. Oakley's Three-Point Fit optimizes comfort and holds the lenses in precise optical alignment for superior clarity. FLAK JACKETâ"¢ is made of lightweight O MATTER® for all-day comfort. Pure Plutonite® Lens Material filters out 100% of all UV, and FLAK JACKETâ"¢ meets ANSI Z87.1 standards for impact protection. The semi-rimless design means there's no frame rim to block downward view. Optical clarity exceeds all ANSI Z87.1 standards, and XYZ OPTICS® extends razor-sharp vision all the way to the lens periphery. The bridge is narrowed and deepened, and specially sized nose pads help the frame sit higher on the face and sit comfortably in place. The ear stems are more rounded to better match the shape of the head and ensure a comfortably secure fit. Curvature across the front is reduced to prevent the frame from touching at the cheeks and temples. Case included. Made in the USA.