The 12 year old is the signature malt in the Glenfiddich range. It is matured for 12 year in a combination of Oloroso sherry & bourbon casks prior to being married together in oak tuns, to create a harmonious taste with smooth elegant notes of fresh pear & subtle oak. The 15 year old is a unique Scotch malt with their Solera vat which marries whiskies matured I sherry, bourbon & new oak casks. with the cask always kept half full, it creates a rich & intense whisky with notes of honey & raisins which get more complex every year. The 18 year old is married in small batches. After maturation in the finest Oloroso sherry & bourbon casks, the Glenfiddich 18 year old is married in oak tuns in small, numbered batches. With award winning depth & complexity, Glenfiddich 18 year old has notes of baked apple & cinnamon.