Caterpillar button down black work jacket size M L BNWT~

Caterpillar jacket~ Purchased for my son for Christmas from the Nordstrom Rack, it was too small and I missed my return window. . Would like to recoup some of my money back. Paid $69+ tax..my loss your gain as posh will take 20% of my sale. The label reads a size Large but I feel like this is mis- sized..please read measurements. Measurements laying flat across- Armpit to armpit- 23”~ Armpit to waist- 19”~ Armpit to cuff of sleeve- 19”~ Shoulder seam to shoulder seam- 19”~