Personalized Grandpa Worlds Best Angler Toddler Long Sleeve T-Shirt. If your Grandpa loves fishing, this fun Grandpa - Worlds Best Angler Toddler Long Sleeve Tee - White will make a great Father's 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.