Personalized Irish St Patricks Day Letter E Monogram Toddler Long Sleeve T-Shirt. Irish Letter E Toddler Long Sleeve Tee - Kelly Green alphabet custom gift. Sure an this stylish St Patrick's Day letter E is just right for wearing on St Patrick's Day, if your name begins with E. 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.