Personalized Police Chief Grandpa Law Enforcement Youth Long Sleeve T-Shirt. My Grandpa is a police chief grandchild Youth Long Sleeve T-Shirt - Royal Blue for grandson or granddaughter with blue line law enforcement USA flag. youth long sleeve t-shirt. Shoulder-to-shoulder taping. Youth: S(6/8), M(10/12), L(14/16), XL(18/20)