Personalized Christmas Reindeer Toddler Long Sleeve T-Shirt. Merry Christmas! A reindeer in a red stocking surrounded by snowflakes, wishing you a very 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.