Personalized 3rd Grade Teacher Monkey Youth Long Sleeve T-Shirt. 3rd Grade Monkey for the school teacher comes on a Youth Long Sleeve T-Shirt - Heather gift that makes a cute back to school or teacher appreciation gift item. Monkey has pink bow in her hair and hangs from a vine on the teaching logo. youth long sleeve t-shirt. Shoulder-to-shoulder taping. Youth: S(6/8), M(10/12), L(14/16), XL(18/20)