Knob Creek Bourbon, bottled at an honest 100 proof (50% abv) like all good bourbons were a century ago, is aged nine years in charred American white oak which lends this bourbon its maple sugar aroma, distinctive sweetness and rich, full-bodied flavour, giving it the distinction of being aged the longest of the small-batch bourbons. This extra aging allows it to absorb more of the sugar in the wood, giving it a slightly sweeter taste and nose.