Personalized Believe Toddler Long Sleeve T-Shirt. Believe! A grinning Sasquatch gives the thumbs up while riding Nessie. Fun gift for people who believe in the impossible. 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.