Personalized One Bit Short Toddler Long Sleeve T-Shirt. One bit short of a byte is a humorous design for computer programmers, engineers, and geeks at back to school, birthdays, holidays and graduation. 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.