This Mil-TecA(R) UBACS Combat Shirt delivers comfort and utility for your most demanding missions. Originally designed for use under body armor or an assault vest. But works great as a moisture-wicking layer to put under any heavy or bulky loadout. Under Body Armor Combat Shirt Slim-fitting design for under other layers Polyester body Quarter-zip front Cotton ripstop sleeves with reinforced elbows Pockets on arms for adding padding Hook-and-loop adjustable cuffs