This vintage overcoat was made in the 1920s by The Sheuerman Make, a noted manufacturer at the time of work mackinaws and overcoats. This one is double breasted, with a broad collar. It is heavy brown wool with a subtle plaid to the weave, and is unlined save for the shoulders and sleeves.
Chest (pit to pit): 22″ (doubled = 44″)
Shoulder to shoulder: 16-1/2″
Sleeve (shoulder to cuff): 25″