The fourth release in the Edition Series, a range of whiskies that focus on The Macallan’s commitment to wood, the Edition No. 4 was aged in was aged in a combination of seven different cask types. These include (deep breath guys); European/American Oak refill butts, European/American Oak refill hogsheads, American Oak first fill Vasyma hogsheads, European Oak first fill Diego Martin Rosado butts, European Oak first fill Jose Y Miguel Martin butts, European Oak first fill Tevasa butts/puncheons and European Oak first fill Tevasa hogsheads.
While the previous three editions had attempted to demonstrate the influence each cask has on taste and aroma, master distiller Nick Savage developed Edition No. 4 to reveal the 'structure of the whisky'.