This beer has a dark auburn color. It is aged 18 months in new oak for an aggressive oak flavor. Wow, its smoky with a vanilla nose. Did I mention the aggressive new oak? It is slightly tart with a smoky peaty taste that dominates. It is so different from the sour line up and it's so welcome. I has a uniquely citrus/lactic tart, lime, and rhubarb taste at the end. Not so much sour as tart and smoky. Lovely way to end the flight.