The Grumbellies Sweatshirt Is here to help keep you warm and cozy. These sweatshirts are made of 50% cotton and 50 % polyester. Each sweatshirt is custom embroidered with the Grumbellies Logo. They are super soft and extremely comfortable to wear any where. If you have any questions please send us a email at firstname.lastname@example.org. Thank you for looking and have a GREAT DAY !