This shirt is part of the Genuine Issue U.S. Air Force Uniform made of 50% Cotton and 50% Nylon. It features four pockets with double flaps, a dual pen pocket on the forearm, reinforced elbows, and adjustable sleeves with three buttons on the cuffs.  

• Constructed of 50% Cotton/ 50% Nylon twill fabric
• Fading, shrinking, and wrinkle resistant
• Four-Pocket W/ double flaps and two concealed buttons for a cleaner look
• Double pen pocket on forearm
• Adjustable sleeves W/ three buttons on cuffs 
• Made in USA

The NYCO (nylon/cotton) twill has been approved for use by the U.S. Air Force. This shirt has been designed for rugged use, it has been treated to be fading and shrinking resistant, also, its perm press treatment makes it wrinkle-resistant for a cleaner and professional look.