BRAND NEW 2 SIZES GREAT REPRODUCTION US Calvary Pin. The material is a synthetic fabric that looks a lot like wool felt (Unfortunately I cannot get the real wool felt ones any time soon or maybe never, the factory is closed) Small/Medium is a SIZE 7 1/8 and measures 22 1/4 inches Large/Exlarge is a size 7 3/8 and measures 23 inches This is a VERYHARD to find style of hat. It's BLACK with agold cord around the brim The brim iS 3 1/2" and the crown is 5" tall.