This craft Bourbon whiskey has passed the four-year period maturing in a virgin American oak barrel and as such can now be quality stamped as bottled in bond. In addition to being matured for a minimum of four years, this whiskey is bottled at 50% abv, (100 proof), resulting in a stronger and richer spirit. With a higher than typical percentage of malt barley then the steraight bourbon it has a more malty and less sweet character. A true Bourbon lovers spirit