stetson royal flush straw hat stetson the stetson royal flush straw hat is a warm weather version of the popular royal flush gun club hat, made from smooth 10x shantung straw that is perfect for summer. the 3 7/8 inch gambler crown is a classic look paired with the curved 3 inch western brim. the slim black hat band is finished with silver oval medallions for the finishing touch. made in the usa.