Personalized Baseball Batter Youth Long Sleeve T-Shirt. An egghead in a baseball cap and holding a baseball bat is a humorous egghead design for athletes and cooks. Funny gifts for back to school, birthdays and holidays. youth long sleeve t-shirt. Shoulder-to-shoulder taping. Youth: S(6/8), M(10/12), L(14/16), XL(18/20)