Size 6 7/8 Get ready to own a piece of history with this authentic WWII U.S. Navy Sailor Wool Flat Cap Hat in classic blue Cracker Jack style. This hat is perfect for collectors and history buffs alike who want to own a unique piece of militaria. It features the original design and is made in the United States, but we won't mention the condition of this timeless piece. With its originality, this hat is sure to be an impressive addition to your collection.