Personalized Blue Marching Band Sport Toddler Long Sleeve T-Shirt. Marching Band, the sport for intelligent people is a humorous gift design for band geeks at birthdays, holidays and band camp. 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.