The Glenrothes 18Single Malt Whisky Scotland 700ml ABV: 43% The Glenrothes 18 Year Old 18 year old single malt from Glenrothes, released as part of the Soleo Collection. This series was named after the process of sun drying grapes for the production of sherry in Jerez, and as such you should expect plenty of sherry notes throughout the range. This one features a very high proportion of first fill sherry seasoned oak cask matured whisky at its core.. Colour: Light