If you woke up this morning and felt compelled to be a aviator during the World War, then this hat will calm that desire. This is the Black Aviator Hat that was worn by World War I American pilots. Made of 45% polyester and 55% cotton, this cap not only looks real but feels real as well. Crown measuring 4 1/2" deep and 6 panels, lined inside for comfort, Bill measuring 2" high, attached on the front crown with button snap, what more can you ask for in an aviator hat? So next time you are in a theatrical performance or need to dress up for a costume, don't forget about the Aviator Hat.