Glenfiddich 15 Years Old Solera Reserve Single Malt Scotch Whisky 1 LThe Glenfiddich 15 Years Old Solera Reserve Single Malt Scotch Whisky 1 L is an innovative Highland single malt crafted using the unique Solera Vat system, a pioneering process inspired by Spanish sherry makers. Aged in a combination of European oak sherry casks, American oak, and new oak, the whisky is then married in the Solera Vat to achieve remarkable consistency and depth. The Glenfiddich 15 Years Old Solera Reserve Single Malt Scotch Whisky 1 L