Pumpkin Pie Costume Hat There's no such thing as too much pie, so wearing it while you eat it isn't overkill at all. Now, that inspires gratitude! Product DetailsLook as sweet as can be in this exclusive Pumpkin Pie Costume Hat for Adults! Let's face it, as we take turns going around the table saying what we're thankful for, we're all secretly wondering how big our piece is going to be and if it's going to be a la mode. Pie! Just Desserts Pilgrim hats and turkey feathers are great symbols of Thanksgiving, but do you know what else is a time-honored emblem of that wonderful holiday?. In fact, it makes the perfect topping for your festive outfit.