Personalized Cowboy Little Brother Youth Long Sleeve T-Shirt. Little brother Youth Long Sleeve T-Shirt - White for your little buckaroo with sheriff's star, horse and cowboy hat. Inside of star says LIL' BRO. youth long sleeve t-shirt. Shoulder-to-shoulder taping. Youth: S(6/8), M(10/12), L(14/16), XL(18/20)