Personalized Allergic to Humans Toddler Long Sleeve T-Shirt. A cute lucky cat is holding a ball of yarn and wearing a face mask. Why? Allergic to humans! Funny gift for anyone who needs a break from humanity. 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.