Willett Pure Kentucky Bourbon is a small-batch Kentucky Straight Bourbon Whiskey bottled at 53.5% ABV (107 proof), made with pure limestone-filtered water. Tasting Notes: Nose: Aromas of toffee, fruit, eucalyptus, and oak. Palate: Flavors of cinnamon, toffee, caramel, pepper, oak, and spices. Finish: Warm and long-lasting, with lingering notes of nougat, baking spices, and nuttiness.