Middle West Spirits Napoleon Calvados Cask-Finished WhiskeyMiddle West Napoleon Calvados Cask Finished Whiskey was aged five years. The first four years were in American white oak barrels that imparted hints of vanilla, leather and spice. It was then harvested and entered sunsoaked Calvados casks for another one to two years where it acquired soft notes of apple, pear and baking spices. Mashbill: Dark Pumpernickel Rye, Ohio Soft Red Winter Wheat, Non GMO Open Pollinated Yellow Corn, 2 row Barley 123. 8 Proof