The label sewn in at the head gave instructions for use including to lace the liner onto the sleeping bag, as shown in the photo. The outer liner had a set of eyelets that matched eyelets along the zipper line, as well as snaps that can be used to form a wind resistent closure. A length of olive drab parachute cord can be used to lace the outer water-repellant case to the sleeping bag itself, to form one unit. Other instructions included "avoid sweating" and to spread a poncho under the bag to protect from moisture, as well as to put padding, a pneumatic mattress, boughs or other materials under for insulation. SURPLUS
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