BARREL PROOF WITHOUT CHILL FILTRATION HIGH RYE MASH BILL - 30 % RYE AGED AT LEAST 4 YEARS SINGULAR IN PERSONALITY While each Single Barrel owns its specific flavor profile, New Riff’s Kentucky Bourbon generally shows big and spicy flavors. This is not a light, delicate, simple whiskey—we have crafted for robust and fulsome flavor from start to finish.