This 15-year-old Caol Ila belongs to Duncan Taylor's Octave series and was bottled exclusively for Whisky.de (even if it doesn't say so on the bottle or packaging). It matured in oak casks and received a 3-month finish in Octave casks, which are only a fraction of the size of ordinary casks at about 50 litres. As a result, the whisky has more contact with the cask surface and matures more intensively.