Octomore 8.4 Masterclass is the fourth edition of this series. 20% of the spirit matures completely virgin oak barrels and the remainder matures inititeel on first-fill ex-bourbon casks. Then the spirit from both barrels merged in virgin oak barrels in European oak, where in the past the Octomore 7.4 on rested. This whiskey has a content of 170 PPM, and is 100% made on the basis of Scotch barley. The edition consists of 12,000 bottles. Nose: smoke, oak, honey, malt and banana bread. With time more spicy notes come forward, including vanilla and cinnamon. Taste: rich and silky, with oak prominent. Further tests of leather, wood and smoke note, which eventually gives way to a combination of lemon, stewed apples and sea salt. Aftertaste: full, long and spicy.