The fourth release in the Edition Series, a range of whiskies that focuses on The Macallan’s commitment to wood, the Edition No. 4 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.