Vintage Trousers Up plaid sports coat

This is a great vintage jacket or sports coat Shades of brown, cream, orange gold and gray blue in this plaid design Feels likee a wool blend but there are no tags for reference Only tag is the TU Trousers Up tag on the inside Pockets on front Buttons on front and sleeve ends Completely lined in a burnt orange color No size Measurem laid flat Pit to pit 20” Pit to sleeve end 16.5” Shoulder to bottom hem 27.5” I would say a medium