Personalized Wee Bit O'Irish Toddler Long Sleeve T-Shirt. Cute St. Patrick's Day Toddler Long Sleeve Tee - White with a cute smiling shamrock wearing a green derby says WEE BIT O' IRISH. Perfect for a 1st St. Patrick's Day. 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.