As always, the enjoyment is in the detail! Try these to whet your appetite!
Contrast velvet collar (Covert, Crombie, Chesterfield), melton wool, leather buttons and shoulder epaulettes (British Warm), one-piece shoulder, gauntlet or strap cuff (Raglan), large patch hip pockets and belt (Polo), poacher's pocket (Field).
Vintage overcoats also have considerable weight. We call it "affordable central heating for chaps"!