USN N-1 Trousers Modify - NavyThese are exceptionally cool trousers by virtue of being a reproduction of a serviceman customized item. The U. S. Navy issued N 1 Deck Overalls as part of their cold weather program, but never trousers. The Real McCoy's happened to have a pair of the overalls cut into trousers in their collection, and used those as the basis for these. Just as in their their top selling N 1 Deck Jacket these are sewn up from a heavy grosgrain cotton aka "jungle