Alpha Industries Men's ECWCS W3X Shell Jacket Shell: 100% Cotton; Lining: 100% Cotton Imported Dry Clean Only Waxed cotton rip-stop ECWCS-style coat. The extended cold weather clothing system is a protective clothing system used by the U.S. Army that utilizes many layers and various combinations to combat changing weather patterns and climate conditions Wear the ECWCS w3x alone or zip-in the fleece liner (mjl45600c1) for added warmth Features a zip front with snap-closure storm flap and id tab The ECWCS w3x has two lower pockets with velcro closures and a velcro sleeve pocket Adjustable hood and cuffs