Aero A2 ordered through Thurston's. Tagged as a 40. For reference, I wear a 38 in a 1930's HB and am 5'10, 165. Usually a 40 suit size. Pit to Pit 22" Shoulder 18" Sleeve 25" (including knits) Back 25.5" (including knits) The wool stretched adds another 2 3/4" Jacket is in great condition with no leather damage, smells, etc. Jacket was not worn much and leather is just starting to break in. I edited the post to include the knit measurements. Asking 400 plus shipping.