Personalized Pawpaw Grandpa Toddler Long Sleeve T-Shirt. Paw Paw Toddler Long Sleeve Tee - Black gift has vintage styling and says authentic PawPaw. Great Fathers Day gift for him. A classic for Fall, Winter and Spring, these long sleeve toddler t-shirts are sure to be a staple in your child's wardrobe. Whether layered or alone, this t-shirt is soft yet durable enough to stand up to your toddler's playtime demands.