An original US WW2 era Enlisted Man's Four Pocket dress tunic.
Some mothing in places. Patches include a Ruptured Duck and AAF Hap Arnold patch. Several laundry numbers inside.
Measured by hand -
Pit to pit - 20.5 inches, so around a c.38" chest size
Cuff to top shoulder seam - 24 inches
Shoulder seam to shoulder seam - 17.5 inches.