Personalized Cowboy Little Brother Toddler Long Sleeve T-Shirt. Little brother Toddler Long Sleeve Tee - White for your little buckaroo with sheriff's star, horse and cowboy hat. Inside of star says LIL' BRO. 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.