This Type A-2 Flight Jacket was made by The J.A. Dubow Manufacturing Company,
Chicago, Illinois.

Also shown is a Type B-10 Backpack Parachute Harness.
A-2 Flying Jacket Nomenclature Tag, left photo.
This nomenclature tag reads:
TYPE A-2
DWG. NO. 30-1415
A.C. CONTRACT
ORDER NO. W33-098 A.C.1755 (11631)
PROPERTY
AIR FORCE U.S.ARMY
J.A.DUBOW MFG.CO.
CHICAGO, ILL.
Rear view of the A-2 Flying Jacket with B-10 Backpack Parachute Harness, above photo.
Note: the pack for the parachute is missing.

Rear view of the A-2 Flying Jacket, right photo.
U.S. Army Air Force
Type A-2 Flight Jacket