Extreme Cold Weather N-1B Mukluk Boots。Vintage 1980s U.S. Air Force Extreme Cold Weather Boots. Men\'s size Medium, ( The man who owned these wears a size 11.5 - 12D and they fit him... so they run big. They are also comparable to other size 12 boots here.) Boots weigh approximately 5 lbs. Genuine Issue N-1B Mukluks B-6362F, with 100% Wool Socks and removeable Insoles, all Original. Xclusive Shoe Company, Inc. USAF gear he got in Germany in the early 1980s. He never wore them, but they do have some storage marks. Check photos. NICE Boots for a Collector or to wear in winter! Pre-owned Nice. Please check all photos for condition. I always carefully package and ship out immediately. If you have any questions please reach out. Pair in photos is the exact item you are purchasing. Make sure to follow. I post daily and offer combined or bundle pricing.