**Restricted to USA and APO/FPO sales**Performance, protection and comfort are sculpted into a new dimension of style with an interchangeable lens design that keeps you a step ahead of changing light conditions. The latest evolution of our coveted Half JacketA(R) sunglass, it wraps your vision in the razor-sharp clarity of High Definition OpticsA(R) (HDOA(R)). Wherever your job takes you, you'll have the all-day comfort of a lightweight design that can take punishing abuse while serving up premium optical technology.Oakleys original Half Jacket became essential gear for they made it with the same lightweight O Matter(TM) frame material and UnobtainiumA(R) components that keep it comfortably in place, even when you're dripping with sweat. The Three-Point Fit won't hook your ears like ordinary frames, and it keeps the lenses in precise alignment so they can give your eyes the vision of victory.When the sun decides to play hide-and-seek, just swap out the lenses with a new set and you'll be fully armed with performance. With HDOA(R) lenses, Half Jacket 2.0 features XYZ OpticsA(R) to keep vision sharp and accurate all the way to the peripheral edge. All lenses are made of pure PlutoniteA(R) to filter out all UV, and this premium eyewear meets ANSI Z87.1 standards for optical clarity and impact resistance.For the ultimate in glare-cutting performance, go with Oakley HD Polarized lenses.LENSE FEATURESInterchangeable lens design to optimize performance in any environmentHigh Definition Optics for clarity, visual fidelity and impact resistance that meets all ANSI Z87.1 standardsXYZ Optics to extend clarity to the edge of a wide peripheral view8.75 base lens curvature that improves side protection against sun, wind and impactUV protection of Plutonite lens material that filters out all UV & harmful blue light up to 400 nmSemi-rimless design for open downward viewPolarized Options - Minimized glare via technology that produces the best polarized lenses on the planetFRAME FEATURESDurability and all-day comfort of lightweight, stress-resistant O MatterA(R) frame materialComfort and performance of Three-Point Fit that holds the lenses in precise optical alignmentUnobtainium components that increase grip when you sweatMetal icon accents