Personalized St Patricks Day Funny Irish Koala Toddler Long Sleeve T-Shirt. This little koala is dressed for St Paddys Day with a green Irish hat surrounded by shamrock clovers. 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.