Mannequin is a size 38 chest.
This is a medium weight jacket.

LINING (Full or Partial): full
Rear vents:2

Measurements
Chest: (Across chest armpit to armpit, doubled): 46”
Overall Length: 33"
Sleeves (From outer edge of shoulder to outer cuff of sleeve): 26"
Shoulders (Across top of Shoulders): 19"