Personalized Irish Four Leaf Clover Logo Youth Long Sleeve T-Shirt. Irish logo in green, orange and white has lucky four leaf clover on this Youth Long Sleeve T-Shirt - White that is great for St. Paddy's Day. youth long sleeve t-shirt. Shoulder-to-shoulder taping. Youth: S(6/8), M(10/12), L(14/16), XL(18/20)