Here at army surplus world we carry khaki garrison caps. The khaki garrison caps are 100% cotton and are U.S. spec. The Side cap is a foldable military cap with straight sides and a creased or hollow crown sloping to the back where it is parted. The khaki garrison cap is known as a garrison cap (in the United States), a wedge cap (in Canada), or officially field service cap, (in the United Kingdom and Commonwealth countries), but it is more generally known as the side hat. Order your us khaki garrison cap from army surplus world today.