This beer is a blend of mixed fermentation sour beer from two oak foudres. The blend was racked into 400 liter Barbados rum puncheons and refermented with passionfruit for six months before bottling.a blend of mixed fermentation sour beer from two different oak foudres. The blend was racked into two 650 liter tawny port pipes and refermented with raspberries for six months.

The name for this beer is a reference to the unique and delicious Vin Jaune wines of the Jura region in France. It started life as Belgian-style tripel, and after two years of maturation in dry sherry barriques it emerged as a light amber colored beer with strong oxidative notes of almond, hazelnut, and oak.