Personalized Happy Halloween Black Cat Youth Long Sleeve T-Shirt. Happy Halloween! A cute little black cat wearing a purple witch hat sits next to two pumpkin jack o'lanterns and an adorable bat. Great gift for your little monster on Halloween! youth long sleeve t-shirt. Shoulder-to-shoulder taping. Youth: S(6/8), M(10/12), L(14/16), XL(18/20)