thing one and thing 2 costumes

What Are Thing One and Thing Two Costumes?

Thing One and Thing Two costumes are paired character outfits based on Dr. Seuss's The Cat in the Hat. They feature red jumpsuits or shirts with numbered white chest circles and wild blue hair. Instantly recognizable, endlessly fun, and built for duos or groups of any age.

The Dr. Seuss Origins and Iconic Look

Thing One and Thing Two first appeared in Dr. Seuss's 1957 classic, bursting out of a box to cause cheerful chaos. Their look hasn't changed since: matching red outfits, bold numbered patches, and electric blue hair. That visual simplicity is exactly why these costumes work at every event, from Halloween to World Book Day to a themed birthday party.

Core Elements: Jumpsuits, Circles, and Blue Hair

Three things define the look. First, a red base garment -- either a jumpsuit or a shirt. Second, a white circular chest patch with "Thing 1" or "Thing 2" printed clearly. Third, a blue wig that sells the whole costume in seconds. Skip any one of these and the character read falls apart, which is why it's worth confirming what's included before you buy.

Why These Costumes Deliver Instant Party Energy

Paired costumes create a social dynamic that solo costumes simply can't match. Thing One and Thing Two signal to every guest that you arrived as a team -- and that energy is contagious. They photograph beautifully, scale to any group size by adding more "Things," and work across age ranges from toddlers to adults. If you want to extend the theme, add a Cat-adjacent character from the men's costumes range to give one person in your crew a sharp, structured contrast to the red chaos.

Thing One and Thing Two Costumes for Adults: Top Picks and Sizing Guide

Jumpsuit vs. T-Shirt Styles for Comfort and Movement

The jumpsuit delivers the most complete character read. One garment covers everything, the numbered chest circle is already positioned correctly, and the overall silhouette matches the source material. T-shirt styles trade visual completeness for flexibility: easier to layer, simpler to pack, quicker to pull on over leggings or jeans. For Halloween or a full themed party, go with a jumpsuit. For World Book Day or a casual group outing, the shirt version gets the job done without the commitment.

Adult Sizing Chart with Fit Tips for All Body Types

Size Chest (inches) Waist (inches) Height (inches) Fit Note
S 34-36 28-30 Up to 67 Slim fit, close to body
M 38-40 32-34 Up to 70 Standard relaxed fit
L 42-44 36-38 Up to 73 Room for layering
XL 46-48 40-42 Up to 75 Generous through chest

Size up if you plan to wear a base layer underneath. Jumpsuits are cut to sit against the body, so an extra inch of room makes a real difference across a full evening of wear. Every size is built to 30-plus measurement checks per design so things stay consistent across the range.

Breathable 125GSM Fabrics and Zipper Access Explained

Fabric weight determines whether a costume lasts through the night or gives up at midnight. At 125GSM and above, the material holds its color, resists tearing at stress points, and stays opaque under event lighting. Cheaper alternatives often fall short of this threshold -- you'll see it under bright lights or after a few hours of movement. A rear zipper on a quality jumpsuit keeps a clean silhouette from the front while making restroom breaks manageable without stripping the whole thing off.

DIY Thing 1 and Thing 2 Costumes: Smart Hacks with Pro Upgrades

Simple DIY from T-Shirts, Patches, and Wigs

A solid DIY approach starts with a plain red T-shirt or red tracksuit. Iron-on circle patches with "Thing 1" and "Thing 2" printed in bold black text are widely available and take about ten minutes to apply. Pair them with a blue costume wig and the core look is complete. Keep the patch centered on the chest at roughly sternum height for the most accurate character placement.

Hybrid Approach: Upgrade Basics with Quality Bases

Pros of Full DIY

  • Low upfront cost
  • Fully customizable sizing
  • Works as a last-minute option

Cons of Full DIY

  • Patches can peel after a few hours
  • Red shirts can vary in shade between two people
  • No quality guarantee on fit or fabric

The hybrid approach solves the biggest DIY problems. Start with a quality red base from the men's costumes range or women's costumes range, then add your own patches and wigs. Both people in the pair get a matching shade of red and a fabric that holds up all night. With 500,000-plus quality checks run annually, the base garment is built for real wear -- not just a quick photo.

Kids Thing One and Thing Two Costumes: Family Matching Made Easy

Best Kids Options with Age-Specific Sizing

Kids' sizing follows the same rule as adults: fit first. A costume that bunches at the ankles or gaps at the shoulders gets abandoned within twenty minutes -- and then you've got a grumpy kid and a wasted costume. Browse the kids costumes range for options sized from toddler through teen, with each size built to 30-plus measurement checks so the garment actually fits the age group listed.

Group Ideas for Siblings, Parents, and Full Cat in the Hat Crews

Two siblings as Thing One and Thing Two is the obvious pairing, but it scales well beyond that. Parents can join as Cat-adjacent characters using options from the men's or women's costumes range, giving adults a polished contrast to the chaotic red energy of the Things. The whole crew photographs as a coherent unit without anyone scrambling for a last-minute idea.

Event-Ready Durability for School and Halloween

School events and trick-or-treat nights put costumes through genuine stress: running, sitting on floors, outdoor weather. Costumes made from 125GSM-plus fabric hold their shape and color through all of it. Check the kids Halloween costumes section for options suited to school settings, where comfort across a full day matters as much as the visual impact. For deeper background on the characters themselves, the Thing One and Thing Two wiki is worth a look.

Styling and Accessorizing Thing Costumes for Epic Events

thing 1 and thing 2 shirts

Wigs, Props, and Matching Pairs for Groups

The blue wig is non-negotiable. Browse the MorphCostumes wigs range for options that match in shade across multiple people -- which matters a lot when the group photo is inevitable. Add a prop fish bowl or a red kite for anyone who wants to go deeper into the source material without overcomplicating the look.

Occasion Tips: Halloween, Book Days, and Parties

Halloween calls for the full jumpsuit with wig and accessories. World Book Day works better with the T-shirt version since kids need to sit, move, and eat lunch comfortably. For birthday parties, consider numbered badges beyond "1" and "2" so larger groups can join as Thing 3, Thing 4, and beyond -- the concept scales as far as your guest list does. The Halloween costumes section covers full-event options if you want to build out a broader group theme.

Pro Tips for All-Night Comfort and Quick Changes

Wear moisture-wicking underlayers beneath any jumpsuit. Secure wigs with bobby pins at the temples rather than relying on the wig cap alone. Keep a small safety-pin kit for any patch that starts to lift mid-event. Thing One and Thing Two costumes are built for energy and movement -- prep accordingly and the look holds from first arrival to last photo.

Making Your Final Call on Thing One and Thing Two Costumes

Match Your Choice to the Occasion

The decision between jumpsuit and T-shirt, DIY and ready-made, kids and adult sizing comes down to one question: how much wear does this costume need to survive? A single Halloween night can tolerate a DIY patch job. A full school day, a multi-hour party, or a family group photo session calls for fabric and construction that holds up under real conditions -- and that means 125GSM-plus material with properly checked sizing, not a guess and a prayer at the door.

Scaling the Theme for Any Group Size

Two people is the natural starting point, but Thing One and Thing Two scales cleanly to siblings, couples, coworkers, or entire families. Larger groups benefit from one or two people taking on Cat-adjacent roles for visual contrast. Browse the full men's costumes range and women's costumes range for options that photograph well alongside the red energy of the Things without competing with them visually.

Why Quality Pays Off Past the First Wear

A jumpsuit that survives one Halloween in good condition can come back for the next themed event, the next group photo, or the next World Book Day request from a younger sibling. Cheap alternatives rarely make it past a single night without a torn seam, a faded patch, or a wig that sheds across the venue. That's a false economy. Buying once and buying well is the smarter play across multiple uses.

Bottom line: Start with the right base garment, confirm sizing against actual measurements rather than guessing, include the blue wig as a non-negotiable, and build your group theme outward from there. The kids costumes range and men's costumes range both carry options that work as strong foundations. Every accessory, every size, and every fabric choice covered here points toward the same outcome: Thing One and Thing Two costumes that look right, fit well, and hold together from first arrival to last photo.

Frequently Asked Questions

Can adults dress up as Thing 1 and Thing 2?

Yes, absolutely! Thing One and Thing Two costumes are incredibly popular for adults, offering endless fun for duos or groups. We offer both jumpsuit and t-shirt styles, ensuring a great fit and character read for any adult.

What do Thing 1 and Thing 2 costumes typically look like?

Thing One and Thing Two costumes are instantly recognizable with their matching red jumpsuits or shirts. Each features a bold white chest circle with "Thing 1" or "Thing 2" printed on it. The look is completed with wild, electric blue hair, usually from a wig.

Are Thing 1 and Thing 2 costumes easy to DIY?

Yes, a basic DIY Thing 1 and Thing 2 costume is quite simple, starting with a plain red t-shirt or tracksuit. You can add iron-on numbered patches and a blue wig to complete the core look. For a better quality and consistent base, consider using a good quality red garment from our range.

Why are Thing One and Thing Two costumes great for groups?

These costumes create an amazing social dynamic, instantly signaling you've arrived as a fun team. They photograph beautifully and scale easily, allowing you to add more "Things" for larger groups. This contagious energy makes them perfect for any party or event.

What's the difference between a jumpsuit and a t-shirt style Thing One and Thing Two costume?

A jumpsuit provides the most complete character look, covering everything in one garment with the patch perfectly placed. T-shirt styles offer more flexibility, being easier to layer, pack, and quickly pull on over your own clothes. Choose a jumpsuit for a full themed party, or a t-shirt for casual wear or World Book Day.

How can I make sure my Thing One and Thing Two costume is comfortable and lasts all night?

Look for costumes made with quality fabric, like 125GSM material, which holds its color and resists tearing. A good jumpsuit will also have a rear zipper for easy restroom breaks without ruining your look. Our costumes are designed with many measurement checks to ensure a comfortable fit that lasts.

About the Author

Joe is the chief contributing writer for the MorphCostumes Blog.

MorphCostumes is the Costume Brand that gives you the costumes that make your best times in life even better.

We are the brand for people who want to make Halloween, Christmas, Easter, Birthdays or BBQ Parties even better with great costumes and have won many awards.

We know that many people have experienced having these events ruined by a rubbish costume they have bought online from a no-brand Chinese factory. The costume might turn up not looking like it was advertised, badly fitting, of poor quality so it tears easily. The material may be see-through, non-breathable or itchy. It also might be missing key accessories that complete the look.

MorphCostumes ensures that it makes your best times better by doing the following:

  • Having thousands of innovative and unique costume designs.
  • Ensuring fit by testing 30 or more separate measurements on each costume design.
  • Guaranteeing quality by performing over 500,000 in-person quality checks each year.
  • Always using 125 GSM or more material for a soft, breathable and quality feel.
  • Always being clear on what is included in the costume so you are never disappointed.

Through sticking to these values since launching in 2009, we have won awards such as Disney Product of the Year, and the business has been recognised as an Ernst & Young Entrepreneur of the Year finalist (twice), featured on the FEBE 100 fastest growing companies list (twice), the Sunday Times Fast Track, and the Maserati Top Companies List.

We have also appeared across publications such as the Wall Street Journal, CNBC, BBC, Wired, BuzzFeed, The Times, The Telegraph, The Financial Times, and The Guardian.

Last reviewed: March 3, 2026 by the MorphCostumes Team