Personalized Fire Truck 6th Birthday Boy Youth Long Sleeve T-Shirt. SOUND THE ALARM fire truck 6th birthday boy Youth Long Sleeve T-Shirt - White with a cute boy firefighter driving a fire truck and his Dalmatian dog. Number 6 on grill. BIRTHDAY BOY on license plate. youth long sleeve t-shirt. Shoulder-to-shoulder taping. Youth: S(6/8), M(10/12), L(14/16), XL(18/20)