Personalized Merry Christmas Penguin Youth Long Sleeve T-Shirt. A cute little baby penguin wearing a Santa hat holds two balloons. One with snowflakes, and the other wishes everyone a Merry Christmas! Adorable holiday gift! youth long sleeve t-shirt. Shoulder-to-shoulder taping. Youth: S(6/8), M(10/12), L(14/16), XL(18/20)