#14 Flat 12 Bierwerks “Flat jack Pumpkin” abv: 5.7% ibu: 22.3#14 Flat 12 Bierwerks "Flat jack Pumpkin" abv: 5.7% ibu: 22.3A special blend of spices and pumpkins shine through this slightly sweet and malty ale to the tribute of the season of hayrides and bonfires.