Innis & Gunn Caribbean Rum Cask is a Scottish craft beer that has been aged in barrels that previously held Caribbean rum. This aging process imparts unique flavors from the rum cask, such as rich toffee, vanilla, and oak notes, as well as hints of tropical fruit. The beer itself typically has a smooth, mellow body, with a subtle sweetness and a slight warmth from the rum influence.It's part of Innis & Gunn’s special series of beers that are aged in different types of casks to enhance the flavor profile. The Caribbean Rum Cask is often well-regarded for its smooth, indulgent flavor and is enjoyed by those who like beers with a bit of extra character.