The balance of bouquet and unique flavors is derived from a blend rums of between 6 and 23 years old, originating from the "Sistema Solera" aging process. These mature rums have been produced only from the sweetest first-crush virgin sugar cane honey. Ron Zacapa 23 is mature at an altitude of 2300 meters in selected barrels that previously aged robust American Sherries and fine Pedro Ximenez wines.