Fresh emptied 4-5 year bourbon barrels from J Henry & Sons. Made with a 4-grain mash bill consisting of 64% heirloom red corn, 14% heirloom glacier winter wheat, 14% heirloom spooner rye and 8% malted barley. Flavors of Creamy Custard, Brioche, Toffee, Soft Spice, Dried Fruit. Delicious!