One of their more premium offerings, the BenRiach 21 Year Old Single Malt is a well-aged, well-crafted Scotch Whisky expression matured in not one but four different cask types to give it a rich and complex character. Made from 100% malted barley, the whisky is distilled in traditional copper pot stills before being aged in a combination of ex-bourbon, virgin oak, Limousin oak red wine casks, and Pedro Ximenez sherry casks for over two decades before being brought to proof using pure water and bottled.