Barrell Bourbon 15 Year Old Cask Strength is a limited-edition bourbon whiskey from Barrell Craft Spirits. This whiskey is made from a blend of 15-year-old Kentucky straight bourbon whiskeys, and is bottled at a cask strength of 115.2 proof. It has a deep amber color and a complex flavor profile of oak, caramel, vanilla, and spice. This whiskey is best enjoyed neat or with a few drops of water to open up the flavors.