U.S. Navy Submarine Jacket - CharcoalIn addition to playing the hits (N 1 Deck Jackets, Buco J 24Ls, Lot 001 Denim etc.) The Real McCoy's are also fans of a good deep cut. The Submarine Jacket are exactly that, an obscure and very rare piece of vintage military apparel that is more than deserving of the light of day. The US Navy Submarine Jacket, officially the "Coat, Winter, Woolen," was a short heavy wool coat issued to submariners and designed for use in confined and cold submarines.