*Coat was measured while being worn*
Chest- 32-36.5"
Waist- Across the front is 17" or around is 31"
Top of shoulder (with collar) to hem- 42.5"
Shoulder to shoulder (across back) - 20.5"
Arm length- 22" from the outside shoulder to the bottom of the cuff.
These measurements suggest that the coat would fit like a Modern size S/M