Wanderback Batch No 4 is a limited-edition whiskey from Wanderback Distillery. It is a blend of two-year-old rye whiskey and four-year-old bourbon whiskey. The whiskey is bottled at 90 proof and has a deep amber color. On the nose, it has aromas of caramel, toffee, and oak. On the palate, it has flavors of vanilla, oak, and spice. The finish is long and smooth with a hint of sweetness.