ABV/Proof: Bourbon Brand: Distillery: Bourbon Website: Learn More Shop Old Forester 2003 Fall Birthday Bourbon at TotalWine.comShop Old Forester 2003 Fall Birthday Bourbon at Drizly.com All of the barrels were in a low heat cycling. Barrels were not exposed to rising heat or sunlight; rather, they were in lower, cooler floors, resulting in a softer, less sweet character.