But this new expression from Clase Azul follows a very specific aging formula devised by master distiller Viridiana Tinoco that makes it stand out. The anejo tequila was matured for a total of 28 months—22 in American whiskey barrels, and then another 6 months in rum casks from the French island of Martinique. The rum from this island is technically known as rhum agricole, which is made from sugarcane juice as opposed to the molasses that many other countries use for rum distillation. The result was to impart notes of crystalized orange peel, clove, walnut and cacao into the tequila, according to the brand. Special Gift Box, with 2 stemmed glasses included