Personalized Pirate 3rd Birthday Toddler Long Sleeve T-Shirt. Pirate 3rd birthday - Ahoy, matey! A happy pegleg pirate captain and his parrot first mate have found a treasure chest with a golden three. Cute gift for the three year old! 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.