( Seller inventory # Gold2-137-PO ) Realtree brand men's shirt - long sleeve with 1/3 zip (kind of a lightweight track jacket or shirt, fits tight)' Size : Medium Measurements taken flat : < Length top to bottom at shoulder - 26" < Armpit to armpit - 18-1/2" < Armpit to sleeve end - 22" Condition : Good pre-owned condition, no major wear noticed. Fits tight.