Adult Dr. Seuss Thing 1 & 2 Costume Onesie
- Hooded Kigurumi
- Number 1 Patch
- Number 2 Patch
Small Moments,
Monster Memories
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Size | Measurement | Standard | Metric |
---|---|---|---|
Small/Medium | Jumpsuit Chest | 50 1/2" | 128cm |
Small/Medium | Sleeve Length | 24 1/2" | 62cm |
Small/Medium | Waist | 54" | 137cm |
Small/Medium | Torso Length | 47" | 119cm |
Small/Medium | Hips | 63 1/2" | 161cm |
Small/Medium | Inseam | 17" | 43cm |
Size | Measurement | Standard | Metric |
---|---|---|---|
Large/X-Large | Jumpsuit Chest | 58 1/2" | 149cm |
Large/X-Large | Sleeve Length | 25 1/2" | 65cm |
Large/X-Large | Waist | 62" | 157cm |
Large/X-Large | Torso Length | 49 3/4" | 126cm |
Large/X-Large | Hips | 71 1/2" | 182cm |
Large/X-Large | Inseam | 17" | 43cm |
- 100% polyester
Make the Trouble Double!
Straight from the pages of The Cat in the Hat, this Thing 1 & Thing 2 Costume Onesie is the perfect way to bring Seussian mischief to life! Whether you’re tumbling, twirling, or causing just a little bit of trouble, this ultra-soft kigurumi jumpsuit keeps you comfortable and cozy while you do it.
Comfort and Fun in Pajama Jumpsuit Form
This loose-fitting onesie is designed for all-day comfort, made from extra-soft 100% polyester fabric that feels just like pajamas. The front fasteners make it easy to slip on and off, so getting into character is as simple as can be. The rib-knit cuffs on the sleeves and legs add a snug fit while keeping things effortlessly playful.
One Costume, Two Things!
Not sure which Thing you want to be? No problem! This onesie includes interchangeable Number 1 and Number 2 patches, letting you swap between the two most mischievous characters in Dr. Seuss history. Stick to one or pair up with a friend for twice the fun!
Fuzzy, Wacky, and 100% Seuss
Topped with a soft, faux fur hood in signature light blue, this costume captures Thing 1 and Thing 2’s wild, untamed energy in the most delightful way. Whether you’re dashing through a party, celebrating Dr. Seuss Day, or just embracing a little everyday silliness, this hooded jumpsuit is a must-have for any Seuss fan.
Time to Stir Up Some Fun!
With its cozy fit, playful design, and customizable details, this Thing 1 & Thing 2 Costume Onesie is ready for any adventure. Just be careful—once you put it on, you might find yourself in the middle of some very unexpected fun!

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.

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.

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.