Personalized Irish Flag Holiday Logo St Patricks Youth Long Sleeve T-Shirt. Green, white and orange Irish Flag Youth Long Sleeve T-Shirt - White is perfect for showing your Ireland pride. Add a name or slogan with the designer tool for a personalized Irish gift. youth long sleeve t-shirt. Shoulder-to-shoulder taping. Youth: S(6/8), M(10/12), L(14/16), XL(18/20)