Finish off your outfit with this adaptable black leather hat. It can be worn as is, or be sewn into a cavalier hat, a tri-corn, or a bi-corn. If you wish us to sew it up for you there is a $3 charge per side. Small 21.25 inches, Medium 22.00 inches, Large 22.75 inches, Extra Large 23.50 inches, Double Extra Large 24.25 inches in diameter. Sizes are approximate.