http://www.ebay.com/itm/271469093705
This vintage canvas hunting cap was made in the 1930s. This one has seen some heavy use, with fading to the canvas. It has internal earflaps, and a back brim which can flip down to protect your neck in the rain.
Size: 7-1/4
Brim Width: 2-1/2″ front, 2-1/4″ back