Personalized Some Don't Quite Fit So Neatly Into A Category Or Definition Toddler Long Sleeve T-Shirt. Defy expectation and definitions with Some Don't Quite Fit So Neatly Into A Category Or Definition Toddler Long Sleeve Tee - Kelly Green from the children's book "Bob is a Unicorn" by Michelle Nelson-Schmidt. 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.