What's more Boston than enjoying a Harpoon IPA in your favorite Scally cap? Thanks to our friends at Boston Scally Co., now you can enjoy your very own limited edition Harpoon IPA Scally Cap. This 6-panel scally cap features a traditional gray exterior with an embroidered Harpoon logo on the back and a sleek Harpoon IPA patterned interior. Features an adjustable brim for a rounder look but clean and smooth on the edges. See here for sizing guide