TM  10-8400-203-23 2-3.  IDENTIFICATION  AND  DESCRIPTION  OF  ITEMS  -  Continued c. Mattress, Pneumatic (Insulated). NSN SIZE SPECIFICATION 8465-01-136-5855 One Size MIL-M-43968 The Pneumatic Mattress is fabricated of plain weave, nylon cloth coated on both sides with natural and/or synthetic rub- ber. The inner area is coated black in color and the outer surface has a thinner cover of Olive Green 207 coating. A 5 oz/sq yd polyester batting is cemented into each of the channels. The mattress is inflated by mouth and is intended for use with the sleeping bags. d.   Mat,   Sleeping,   Foam. NSN SIZE SPEClFlCATION 8465-01-109-3369 One Size MIL-M-44104 The foam sleeping mat is made of closed-cell, cross linked polyethylene foam. The mat is equipped with tie tapes at one end to hold it in the rolled condition for carrying. The mat weighs about 1 1/4 pounds and is 24 inches wide by 75 inches long. The mat will not absorb water and remains flexible in extreme cold temperatures. Downsizing is authorized at the commander’s discretion subject to CIF manager/PBO approval. Authorized modifications should be performed using available cutting instruments such as scissors, pocket knife, or razor knife. Since the foam is of a closed cell composition, the cut edge need not be sealed. The minimum width authorized is 20 inches. Length will be determined by soldier’s height. Tie straps are not to be removed. Soldiers are not authorized to cut sleeping mat to his/her size without written approval from CIF manager/PBO. e. Bag, Waterproof, Clothing. NSN SIZE SPECIFICATION 8465-00-261-6909 One Size MIL-B-3108 The Waterproof Clothing Bag is fabricated of Olive Green, 106 Cloth, Nylon coated on one side with synthetic rubber. The color of the coating compound shaft be black. The coated side of the fabric is on the inside of the bag and the seams are fully vulcanized with no stitching. The waterproof clothing bag is provided for protecting the sleeping bag when it is stored, carried, transported, or not in use. f. Hood, Sleeping. NSN SIZE SPECIFICATION 8465-00-518-2769 One Size MIL-H-43879 The Sleeping Hood is fabricated of cloth, knitted, nylon/triacetate, tricot, color OG-106. It is secured to the head by means of touch-and-close fastener chin flaps. The hood is intended to be worn on the head to keep the head area of the sleeping bag clean from head oils, perspiration and dirt. 2-4