The First release of Willett Wheated Bourbon was distilled in the early Spring of 2013 and bottled in the Summer of 2022. The proprietary mashbill is barreled at 115 proof in Char# 4 American Oak. Bottledwithout chill-filtration to preserve the most flavor possible.. The proprietary mix of grains includes a little wheat for sweetness and some barley for depth.