The wine is matured in PX, Virgin and Bourbon barrels and is the new core product of Ardbeg after the resumption of the factory. Different from the other three core products, the winery advertises this new wine as "Singularly rounded". In addition to "Gathering Vat", it may be matured in the thicker and sweeter barrels of PX Sherry Cask. related.
An Oa - Mull of Oa is located in the southernmost part of Islay. It has been a place to protect the distillery for more than 200 years. It is also one of the barriers against the storm on Islay. It can be said to be a local amulet. The name of the manager, Dr Bill Lumsden, also known as Mull of Oa, reflects the flavour of this wine.