This is a rare WW2/Korea US Army Air Corps Pilots Life Vest/Mae West Vest B-5. It was designed to keep the pilot afloat in case of an emergency water landing.
The vest is made of a sturdy material and comes with a few pockets to store useful items during the flight. This piece of militaria is an original item from the United States during the World War II (1939-45) period and is perfect for collectors who are interested in this theme.