Glenfiddich has launched Glenfiddich XS – a trio of single malt Scotch whiskies aged for 15, 18 and 21 years, respectively – all three bottled at 42% alcohol by volume [84 proof]. Glenfiddich XS 15 Years Old was matured in American and European oak casks, finished in an Oloroso sherry cask and is said to […]