U.S. Military Original OD Green Cold Weather Down Sleeping Bag NEWU. S. Military Original OD Green Cold Weather Down Sleeping Bag NEW The US Military Issue Extreme Cold Weather Sleeping Bag was issued starting from the 70s for about 30 years and is the warmest of its kind with a stated temperature down to 20 degrees. These bags are stuffed full of 80% down and 20% poly that lasts a lifetime. 3 in storm flap with snaps to seal in warmth. 84 long and 30 wide. The mummy shape allows for more heat retention and the foot