Personalized Personalized Peace Sign Youth Long Sleeve T-Shirt. Personalized Peace Sign Youth Long Sleeve T-Shirt - Royal Blue has a row of colorful peace symbols and room below to add a custom name or peace slogan. Use the designer tool to make a unique gift. youth long sleeve t-shirt. Shoulder-to-shoulder taping. Youth: S(6/8), M(10/12), L(14/16), XL(18/20)