The ABU uniform (Airman Battle Uniform) is the specific uniform designed for combat pilots of the United States Air Force. The ABU uniform offers a semi-pixelated tiger pattern consisting of slate blue and gray color tones. Now in full production to replace the Battle Dress Uniform (BDU) of the U.S. Military, the ABU uniform provides a number of unique attibutes, such as NIR (near-infra red) qualities, four exterior pockets, and reinforced elbows.