Personalized Best Contours Toddler Long Sleeve T-Shirt. Civil Engineers have the best contours text in a topography design is a funny gift design for civil engineers and students at 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.