It can be worn with ear flaps up, as show in the photo. Or, with the down to warm the ears. It has a 1930's vintage Officer's EGA on the cap. This is the type of cap that was worn by the Marines stationed in China and Korea during the 1920's to 1940's. They are seldom encountered offered for sale.
This is a Nice Original USMC Seal Fur Winter Service Cap in Original Condition. Check out my other items. The item "Post-WWI Era USMC Officer's Winter Seal Flank Fur Field Service Cap RARE" is in sale since Sunday, July 1, 2018. This item is in the category "Collectibles\Militaria\WW I (1914-18)\Original Period Items\United States\Hats & Helmets". The seller is "koolstuff1958" and is located in Henderson, Nevada. This item can be shipped worldwide.