World War II WW2 army green wool garrison hat vintage military

Incredibly vintage military / army green world war 2 garrison hat, almost certainly made of pure wool Really cool folds to the hat, with a slightly different cut at each side Folds flat Canvas lining with size stamp around inside Amazing WWII military surplus piece One tiny pinprick-sized hole towards back Tagged size 7 1/4 11.25” laid flat, so 22.5” all around