He'll love getting ready for his day when he gets to put on this Cat in the Hat Short-Sleeve T-Shirt from Dr. Seuss. Featuring his all-time favorite Dr. Seuss characters, along with all the letters of the alphabet, this gray short-sleeve tee features a soft cotton-blend construction to ensure that he stays nice and comfy. Have him pair it with denim shorts and sneakers for a casual-cool look. Size: 18 Months. Gender: male. Age Group: kids. Pattern: Fictitious Character.