Size: Small (6 3/4- 6 7/8) for heads that measure 21"-21.5" (54-55cm) Made from thick wool exterior with a leather bill and strap and brass buttons. Excellent replica of the authentic Kepis worn on the battlefield during the civil war. Will fit and wear comfortably with a light linen interior lining. Ideal for reenactments, historical events, costuming, display and educational purposes.