Master Distiller Elizabeth McCall hand-selected rare Chinkapin Oak barrels to age this year s 2025 Master s Collection release.These barrels impart a softer sweetness and enhance notes of fruit and spice. Presented at 110.4 proof, the result is a smooth, flavorful whiskey that's a unique twist on our classic Kentucky Straight Bourbon Whiskey. Discover the difference Chinkapin Oak makes.