In the early 1970s, Benriach broke convention in Speyside by returning to distilling batches of whisky in the old, 19th century style, using malted barley smoked with Highland peat. This wood rich Highland peat imparts distinctly sweet and smoky notes. The Smoky Ten has been crafted from a combination of unpeated and peated spirit and three cask matured for at least ten years in a combination of bourbon barrels, Jamaican rum casks and toasted virgin oak.