Personalized Grandma's Little Slugger Youth Long Sleeve T-Shirt. Cute Youth Long Sleeve T-Shirt - White for grandma's home team with baseball and bat says GRANDMA'S LITTLE SLUGGER. The bases are loaded, batter up! Perfect for future baseball stars. youth long sleeve t-shirt. Shoulder-to-shoulder taping. Youth: S(6/8), M(10/12), L(14/16), XL(18/20)