Personalized Greatest Grandpa Toddler T-Shirt. World's Greatest Grandpa Toddler T-Shirt - Heather and Royal gift has vintage style logo on a Father's Day or new Grandpa gift for him in blue and tan. A toddler-soft cotton tee in look-at-me, big kid colors. 4.5 oz., 100% combed ringspun cotton. White is sewn with 100% cotton thread. Topstitched rib crew neck. Double-needle stitched sleeves and bottom hem. Shoulder-to-shoulder taping.