The SI Desert Gascan is an exclusive US Standard Issue product that features a unique special edition Oakley American flag “O” logo. This exclusive American government inspired Gascan offers HIGH DEFINITION OPTICS® (HDO®), which combines patented optics and PLUTONITE® lens material that provides 100% UV filtering and unsurpassed impact protection. A lightweight O MATTER® frame material offers premium comfort, and peripheral vision is maximized by XYZ OPTICS®, an innovation that maintains visual clarity at all angles of view. Impact protection meets ANSI Z87.1 standards, and our Three-Point Fit retains the lenses in precise optical alignment.