Calumet Bottled In Bond Kentucky Straight Bourbon honors the revered Bottled-in-Bond Act standards, a testament to over a century of distilling integrity and quality. This bourbon is aged in federally bonded warehouses under the strictest conditions, ensuring that each bottle offers an unaltered and pure expression of the whiskey. Non-chill filtered to preserve its full depth of flavor and texture, Calumet Bottled In Bond exemplifies the craft of traditional bourbon-making in Kentucky.