The Bardstown Bourbon Company Straight Bourbon Collaborative Series Foursquare is a testament to the values of innovation and transparency shared by both Bardstown Bourbon Company and Foursquare. This custom blend of 7-year rye and 17-year bourbon is a harmonious marriage designed to accentuate the unique flavors of Barbados. The whiskey is aged for 23 months in Foursquare rum barrels, resulting in a beautifully crafted spirit that pays homage to the art of collaboration.