Garrison Brothers Single Barrel Bourbon is proof that each barrel is special. Whether you are trying Single Barrel Cask Strength or 94 proof, you will experience the differences in each barrel caused by the interaction of each American white oak barrel, the searing Texas climate, and the juice inside means that no two barrels of bourbon will be exactly alike. Each barrel of Garrison Brothers Single Barrel has aged for at least three years in the searing Texas heat, soaking up a unique set of notes and flavors from a new American White Oak barrel.