Combat Boot, "Mickey Mouse" Extreme Cold Weather Boots, Waterproof Rubber, Genuine U.S. Military Issue, (3 Narrow US) Rubber Waterproof/Sealed Sandwiched Insulated Rubber w/ Vapor Lock Genuine U.S. Military (Army) Issue, not commercial knockoff (Rothco) or foreign-made imports Waterproof Rubber w/ Fused Gusset Tongue, Vulcanized Rubber Outsole, Vapor Barrier Insulation w/Valve High Blucher, Seamless Shell, Direct Molded Sole, Nylon-Coated Lace Eyelets, Comfortable Use to -20 Deg F! THESE RUN A SIZE BIG, WE RECOMMEND ORDERING ONE SIZE DOWN FROM YOUR NORMAL SHOE SIZE