This is your funny t-shirt. Perfect for moms and dads. Perfect for Dads and Grandpas. Perfect present from your kids, grandchildren, brother, sister, cousin and friends. Solid colors are 100% cotton; Heather colors are 50% cotton, 50% polyester (Sport Grey is 90% cotton, 10% polyester); Antique colors are 60% cotton, 40% polyester.