- Shirt
- Wig
| Size | Measurement | Standard | Metric |
|---|---|---|---|
| Small | T-Shirt Chest | 36" | 91cm |
| T-Shirt Length | 25 3/4" | 65cm | |
| Medium | T-Shirt Chest | 40" | 102cm |
| T-Shirt Length | 26 1/4" | 67cm | |
| Large | T-Shirt Chest | 44" | 112cm |
| T-Shirt Length | 26 3/4" | 68cm | |
| X-Large | T-Shirt Chest | 48" | 122cm |
| T-Shirt Length | 27 1/4" | 69cm |
- 100% polyester
- Jersey knit, pullover shirt has graphics on the front
- Styled, faux hair wig has elastic band to secure on head
- Officially licensed
- Made By Us Exclusive
- NOTE: shorts sold separately
Brain Blast
So your brain’s the size of a planet, but you still forgot to bring your lunch again. Classic genius move. Step into the red shirt and gravity-defying hair of everyone’s favorite boy genius with this officially licensed Adult Jimmy Neutron Costume. Great for 2000s throwback parties, or just yelling “Goddard!” in public for no reason at all.
Now you too can look like you built a rocket in your backyard and still had time to ace math class and ruin Carl’s afternoon. Big hair. Big IQ. Bigger nostalgia.
Design & Details
This costume comes with a bright red crewneck shirt made from stretchy midweight jersey material, built for both comfort and cartoon-level chaos. Right on the front is Jimmy’s iconic atom symbol, so everyone knows you’re not just smart—you’re Nickelodeon smart. Pair it with blue shorts and yellow socks to complete the retro genius look.
Of course, no Jimmy Neutron outfit is complete without that hair. The included synthetic wig is sculpted into Jimmy’s iconic sky-high swirl, styled for maximum scientific flair. Just pop it on and prepare for the gravitational pull of compliments and confused admiration.
Smarter Than Your Average Costume
You don’t need a lab full of gadgets to pull off genius-level style. This costume brings the brainy energy and retro fun with zero calculations required. Great for group costumes, solo missions to Retroville, or proving once and for all that you still remember the theme song. And yes, you’ll absolutely be the smartest dressed at the party. Probably.
