http://www.ebay.com/itm/272042555075

This vintage coat was made in the 1930s. It is a single breasted mackinaw, with handwarmer pockets and flapped cargo pockets.  It has a convertible roll collar.  This style was generally called a “stag coat” at the time. It has an interior wind flap and a double thick front.  At some point,it was re-lined with a heavy cotton lining, but it would have originally been made un-lined.