Winter sleeping bag, used by the British Army prior to the introduction of the current 'Modular System'. A popular style, known for its quality and warmth. The bags are rated to -15 Celcius. Constructed of strong but lightweight nylon fabric with a heavy-duty central zipper opening.This particular style of British Army Arctic sleeping bag is the Polyester Filled version used between the 1990s to 2010s, which replaced the Down Filled 'Mk2 Arctic Bag'.
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