Tru-Spec Men's Tru Xtreme Nylon Cotton Rip Stop Combat Shirt 50% nylon / 50% cotton Imported Mandarin collar can be worn up or down; zipper front closure with zipper hood for comfort Articulated Super Fabric elbows and tunnel system for alternating tri-pocket from left to right arm for personal comfort Loop faced shoulder pockets for patches with hook and loop closure and hidden zipper pocket