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Adult Dr. Seuss Cat in the Hat Thing 3 Costume

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Product Information

The Adult Dr. Seuss Cat in the Hat Thing 3 Costume includes a red jumpsuit, blue wig, and mitten, designed for adults who want to complete a group Thing costume or bring Dr. Seuss spirit to reading events and group outings.

The Seuss Costume That Steals the Show

Thing 1 and Thing 2 always get the group chat going. Everyone volunteers. Everyone has a plan. And then someone ends up being Thing 3, which sounds like a consolation prize until you remember that Thing 3 exists in the Dr. Seuss universe as exactly the kind of chaotic good energy every group needs. You are not the backup. You are the expansion pack.

The Adult Dr. Seuss Cat in the Hat Thing 3 Costume is built for teachers celebrating Read Across America, group squads who committed to a theme, and anyone who decided to lean into being the unexpected third. Here is what comes with the whole loud, blue-haired situation.

Design & Details

The red jumpsuit is the centerpiece, and it does the bulk of the identity work. It features a large oval chest graphic with "THING 3" printed in bold black lettering, a high mock neck, and long sleeves. The silhouette is roomy and comfortable, which matters when you're running around spreading Seussian mayhem for several hours.

The look is completed by an electric blue wig that goes absolutely enormous in the best tradition of the source material, plus a red mitten that slips over one hand. The round glasses visible in the product images are not included. Everything else arrives ready to wear straight out of the packaging.

Third Thing, First Out the Door

Picture the school hallway on Read Across America Day. Two colleagues emerge as Thing 1 and Thing 2. Then you round the corner in this jumpsuit, blue wig fully deployed, mitten raised in a greeting that needs no explanation. The kids lose their minds. Your coworkers immediately wish they had called Thing 3 first.

Made By Us
Designer Halloween costumes

We believe that costumes have the power to create some of life's best moments. That's why we started Made by Us. This diverse selection of costumes and accessories are all artfully designed and expertly crafted by our talented team of artists, designers, and developers.

Costume experts designing Halloween costumes

Each project begins with a passion for true quality–embroidered patches, faux fur cut with care, and hand-selected fabrics that are as durable as they are comfortable. Those are just a few examples of how much craft and creativity we put into each and every product. Just for you.

Behind the scenes of exclusive Halloween costume design

No matter how much time it takes, our goal has always remained the same–to create products that inspire your life's best moments–the big, the small, the funny, the spooky, and the sweet. The moments we all cherish. That's Made by Us.

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