Tequila Clase Azul Anejo. Clase Azul Tequila Anejo is proof that the best things in life take time. Its taste and decanter are a tribute to the Mazahua indigenous culture. Its intense amber color and complex aromas result from a magnificent 25-month journey in American whisky casks. Clase Azul Anejo Tequila combines art, history, and tequila of the highest quality, making it an expression that truly honors Mexican culture.