Woolrich Men&#39;s Elite Tactical Long Sleeve Shirt (Navy, X-Large) 100% Cotton Poplin Imported 5.5 oz. 100% cotton poplin, reactive dyed and garment washed. DuPont Teflon Fabric Protector, UPF 30+ 2 chest pockets feature hook-and-loop flap closures and an expansion pleat. Three-piece ventilated back with polyester mesh beneath the top half lets warm air out and cool breezes in. Easy Care: simply machine wash and tumble dry. China