Cat in the Hat Costumes

Join the fun with our Cat in the Hat costume selection, suitable for kids, toddlers, babies, and adults alike! Whether it's Halloween night, a Read Across America event, or simply a playful afternoon, these costumes are designed to delight.

Dress up your little mischief-maker in our Kids Cat in the Hat Costume Dress or the Cat in the Hat Premium Kids Costume. Both designed by our in-house team, both costumes and many you’ll find in this collection boast being easy-to-wear, highly-detailed, versatile, and comfortable! So, let your kiddo channel their inner Cat with the adorable outfits we have to offer whether they’re off to a playdate or enjoying their own wacky and wonderful event!

Team up with a friend or sibling for double the fun with our Dr. Seuss Thing 1 and Thing 2 Costume Dress. These dynamic duo costume ideas are fantastic for siblings, friends, or couples looking to bring the beloved mischief-makers to life!

You’ve already seen adults can get in on the fun too. But with our Adult Cat in the Hat Costume, you’re ready to take things even further! Create tons of good fun that is funny with a simpler Cat in the Hat jumpsuit featuring just the essentials, or a velour option with a fuzzy belly and even a faux fur hood topped with the Cat’s iconic hat!

For even more playful Seussian flair, whether heading to a Halloween party or leading a class on Read Across America day, our adult Cat in the Hat costume dress can’t be beat! Consider it or our similar variety of Thing 1 and Thing 2 costumes for any occasion!

Even the tiniest members of your family can join in with our Cat in the Hat Costume for Infants. From Thing 1 and Thing 2 costume baby carrier covers to cozy Cat in the Hat jumpsuits with hats, our adorable Cat in the Hat baby costume collection is a must for your family costume planning! Got the Cat and Things cast? You’ll find the Fish is up, up, up with the fun with our Dr. Seuss Fish costume baby carrier cover!

But don’t forget the accessories!

From building a dress-up box to accessorizing your Dr. Seuss Birthday outfit, our collection has you covered. Try our Cat in the Hat Costume Kit with gloves, bow tie, and hat to keep things simple and polished. Slip into comfy Cat in the Hat socks, cozy Cat in the Hat fuzzy cap, or the hilarious Thing 1 and Thing 2 wig for added Seussian style. Or ensure every day is a wacky celebration with Cat in the Hat ears headbands and Thing 1 costume headbands!