British Army Sleeping Bag Arctic Olive Green - Grade 1These 4 season British Army Arctic Sleeping Bags are genuine army surplus designed for use in extreme weather conditions. A synthetic hollow fibre filling and central zip with a storm flap provide the necessary insulation. The mummy shape, which tapers from shoulder to foot, moulds around the body which increases heat conservation, reduces cold spots and also lessens the pack size. A draw cord adjustable hood adds further insulation for the head and