WhistlePig Rye 10 YearWhistlePig Rye 10 Year WhistlePig Rye 10 Year is a 100 proof &100 percent rye whiskey, aged for at least ten years through a unique double barrel process. Warm wooden notes from the 3 year oak bourbon cask aging give way to hints of vanilla, caramel, dried orange peel, cinnamon, allspice and clove. This whiskey has an incredible full body, something younger bottles cannot accomplish. It is rich and mouth coating, offering caramel and vanilla flavors