The Epic is finished with four different types of wood staves, which are the blocks of wood which have been part of whiskey barrels. Rather than putting the spirit into the barrel, the staves are ...
"Brown-Forman is one of the world's largest producers of whiskey barrels and one ... of fitting the wood slats, called staves, together tightly for the barrels so that it has a strong seal.
The whiskey is relatively young; its mash bill combines corn, malted rye, and malted barley before aging for one year in American oak barrels and finishing with charred Colorado Aspen staves.