1937's ”U.S.ARMY,1940's US.ARMY M-37 Denim Hat | Unwave,US Army M37 Denim Daisy Mae Hat – The Major's Tailor,US Army M37 Denim Daisy Mae Hat – The Major's Tailor,Original WWII U.S. Army M-37 Daisy Mae Blue Denim Fatigue Work Hat - Approximate Size 7 ⅝