Lagavulin 23 Year Old Feis Ile (Bottled 2015) 1991 is a single malt Scotch whisky that showcases a meticulous maturation process. Distilled in 1991, it undergoes triple maturation. initially in bourbon casks, followed by a brief period in Pedro Ximénez (PX) Sherry butts, and finally in old puncheons for an extended finish. Bottled at 59.9% ABV for the Fèis Ìle festival, this release reflects Lagavulin`s long-standing tradition of craftsmanship dating back to its founding in 1816.