The Macallan 21 Year Triple Cask Matured is a single malt Scotch whisky from the Macallan distillery. This whisky is matured in a combination of three different cask types: sherry-seasoned European oak, sherry-seasoned American oak, and ex-bourbon American oak. This combination of cask types creates a complex and balanced whisky with notes of dried fruits, toffee, and oak. The Macallan 21 Year Triple Cask Matured is a great whisky for those looking for a luxurious and complex whisky experience.