Personalized Abstinence Shamrock Youth Long Sleeve T-Shirt. Here's to abstinence, as long as it's practiced in moderation text with two shamrocks is a funny design for toasting and for St. Patrick's Day. youth long sleeve t-shirt. Shoulder-to-shoulder taping. Youth: S(6/8), M(10/12), L(14/16), XL(18/20)