The fourth edition of Octomore 10 year old from Bruichladdich distillery, distilled in 2009 using 100% Scottish grown Optic barley harvested in 2008. Matured in a combination of virgin oak, first and second fill ex American whisky casks from Jim Beam, Heaven Hill, Buffalo Trace and Jack Daniels. Fully matured on Islay for 10 years, released in 2020 at 54.3% vol.