WW2 USAAF Aviators Flight suit. Medium size 40. Zippers intact and work. No holes in pockets. Belt in very good condition. All buttons there. There are a couple of looks like green paint stains. Shown on pictures I provided. 
Note, This is an original, not a repro as used on TV Shows, Movies, or worn by War Plane flyers for air shows. Repros run 100 to 105.00.