Chattanooga Whiskey 111 Cask is the unfiltered, barrel strength expression of Chattanooga Whiskey’s signature high malt bourbon, Chattanooga Whiskey 91. Unlike 91 however, Cask 111 is not Solera aged. It’s made from a single fermentation which is extended 7 days. Each 8-12 barrel batch represents a single distillation run. It’s aged for at least two years in toasted and charred 53 gallon barrels before bottling.