Personalized PurrFect Pet Youth Long Sleeve T-Shirt. Cats make the PurrFect pet text with a cat draped over the C in the word cats is a humorous design for cat lovers at birthdays, holidays and National Cat Day youth long sleeve t-shirt. Shoulder-to-shoulder taping. Youth: S(6/8), M(10/12), L(14/16), XL(18/20)