Here's a wool (or wool blend) long underwear shirt from the 1940s. These are US military issue. The top is a long sleeve pullover & is perfectly flambeed.
Designer: US military
Condition: Pre-owned in fair/good condition. The top is flea-bitten with several holes around the underarm. Fraying around the collar & cuffs. Some discoloration on the top
Size: large
Measurements: (inches)
taken flat and doubled when appropriate. Please compare with a similar fitting garment.
Shoulder to shoulder: 21
Underarm to underarm across front: 21
Armhole: 9
Cuffs: 3.5
Hem flat across the front: 20