Personalized Best Pops Ever Toddler Long Sleeve T-Shirt. Best Pops Grandpa Ever Toddler Long Sleeve Tee - White has fun vintage shield logo on this Fathers Day gift for grandfather. 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.