Fly plains vintage mens button down, sz M (15 1/2, 34/35)

Fly plains vintage mens button down, sz M (15 1/2, 34/35). Great pattern and colors plaid shirt! On the thinner side. Tag says 15 1/2, 34/35. I’m a medium and this fits me perfectly! I’m 5’8”, 150lbs for reference. Any questions just ask. Thank you for looking!