Money Dunkin’ and Harpoon Brewery collaborate again for springtime coffee-inspired beer April 5, 2019 Ben Tobin, USA TODAY Comments Off on Dunkin’ and Harpoon Brewery collaborate again for springtime coffee-inspired beer Harpoon Dunkin’ Summer Coffee Pale Ale has 5% ABV and the flavor of Dunkin’s Original Blend coffee. It's the second beer for the chain and brewery.