This vintage coat tag is marked SMALL Suit, Chemical Protective Class 1 DLA100-86-C-0810. It also has instructions. It is Woodland Camouflage clothe outside with a good nylon zipper and large Velcro closing pockets. The bottom has a elastic draw string. The pocket areas next to the body are rubber lined. On a search I found these are used for Deer Hunting as they help keep the human scent down.These are made larger and will fit a Medium sized person depending on the amount of clothes worn under it. From the center of the neck to the end of the sleeve measures almost 36 inches, the neck measures 18 inches around and the waist is almost 44 inches around. It is used as found with wear in good condition.