Personalized Never Too Old To Believe Toddler Long Sleeve T-Shirt. Cute Christmas Toddler Long Sleeve Tee - White says YOU'RE NEVER TOO OLD TO BELIEVE with silhouette reindeer and stars. You're never too old for the magic of Christmas. Perfect for adults and aging elves. 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.