Size tag 40, and fits like 40. approximate measurements: underarm : 21.2 (my chest is 43.5 and have no problem to zip the jacket) hem: 19 sleeve straight from shoulder seam: 24.5 shoulder : 19.4 back length exclude collar: 24 Super rare jacket, the teacore horsehide has high gloss finish, grain evenly distribute to all panel, wool lining. Alteration of this jacket: epaulets removed, sleeves shortened, YKK zipper(previous owner) The jacket is in mint condition, if it's your size don't miss it. PayPal family and friends $650 shipped(will not lower the price, if it is not sold I will send to Alan for a replica), international shipping costs $70-80. No return. DM me if you have any questions and interested to buy this jacket.