Long, double maturation shapes the profile. Three quarters of the whisky is matured in first-fill ex-bourbon casks, which bring dried tropical fruit like mango and pineapple, banana bread and maple syrup. The remaining quarter comes from ex-Oloroso sherry casks, adding chocolate, cappuccino and dried orange peel. Nearly two decades of slow oxidation build the rancio-style notes: savoury leather, old books, beeswax and a slightly musty edge, lifted by allspice and a touch of salinity.