Jefferson's Reserve Old Rum Cask Finish is a distinctive expression from Jefferson's Bourbon, a brand known for its innovative and experimental approach to Kentucky straight bourbon. Crafted in the tradition of American whiskey-making, Jefferson's Reserve represents one of the brand's premium tiers, blending four different mash bill recipes and whiskeys of varying ages to create a more complex and layered spirit than their standard bottlings. This particular expression begins its journey as an eight-year-old Kentucky straight bourbon, carefully matured in American white oak casks. After this extended maturation, the spirit is transferred into specially selected old rum casks — barrels that had previously contained rum aged for an impressive 16 to 20 years. The bourbon then rests in these rich, flavour-saturated casks for approximately 15 months, absorbing the deep tropical and sugarcane character left behind by decades of rum aging. The result is a bourbon that honours its traditional roots while embracing a layered barrel history unique to this finish. The combination of long-matured bourbon and rum casks that carry such an extraordinary history creates a whiskey of remarkable depth and complexity. Sweet vanilla and caramel notes from the bourbon foundation are beautifully complemented by the rich, exotic influence of the aged rum casks, making Jefferson's Reserve Old Rum Cask Finish a standout expression for those who appreciate bold, innovative American whiskey.