Personalized Tennis Instructor like Mommy Youth Long Sleeve T-Shirt. This Tennis Instructor Like Mommy Youth Long Sleeve T-Shirt - White has cute handprints design for kids with when I grow up I want to be a Tennis Instructor like my Mommy occupation slogan for the son or daughter of a Tennis Instructor. youth long sleeve t-shirt. Shoulder-to-shoulder taping. Youth: S(6/8), M(10/12), L(14/16), XL(18/20)