Polyester/Cotton twill. Made in Tennessee USA facilities to rigid government specifications from US made fabric & materials. Reinforced Elbows. 4 large button down bellows pockets. Button front with flap closure. Adjustable button tab cuff. BDU - battle dress uniform. Military fatigues. Army Navy shirt. Made to military specifications. Desert Camouflage. GI BDU Shirt. Desert Camo. Desert Camouflage Six Color.