Personalized Reindeer Christmas Toddler Long Sleeve T-Shirt. Festive Christmas reindeer antlers surrounded with holiday berries and pine. Merry Christmas! 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.