These whiskeys were then carefully married together before undergoing a four-year finishing period on T5 casks. T5 is the commonly used name for five-year air-dried oak from the forest of Tronçais.

In the case of Dewar’s Double Double 21 Year Old Mizunara Oak Cask Finish, which is bottled at 46 percent ABV, the extra effort is well worth it. The whisky is sweet and clean with subtle notes ...