Adults get stuck picking from the sad rack of last-minute Halloween costumes while kids get all the good characters.
What This Is
This is an officially licensed Cookie Monster onesie, a blue hooded jumpsuit with brushed fleece interior, side pockets, and a front zipper, built as a comfortable Cookie Monster Halloween costume for adults instead of a flimsy last-minute option.
Why This Cookie Monster Onesie Works
- Officially licensed Sesame Street design, so the blue coloring and character hood actually match Cookie Monster instead of a generic blue costume.
- Full adult sizing from XS to 2XL, though it runs small, so this Cookie Monster Halloween costume actually fits instead of stretching over a kids cut.
- Brushed fleece interior keeps this Cookie Monster onesie warm for a whole night out, not just a quick photo.
- Front zipper and side pockets mean fast on and off, plus somewhere to keep your phone or keys.
Good For
- Halloween parties and trick-or-treating
- Costume parties and Sesame Street fan events
- Movie nights and cozy loungewear at home
- Matching group costumes with an Elmo onesie
Specifications
| Included |
Onesie |
| Material |
100% polyester with brushed fleece interior |
| Design / License |
Officially licensed Sesame Street Cookie Monster design |
| Fit |
Unisex relaxed fit, runs small, size up if you're unsure |
| Available sizes |
XS, S, M, L, XL, 2XL |
| Care |
Machine washable, do not tumble dry, do not bleach |
Frequently Asked Questions
Is this Cookie Monster onesie machine washable?
Yes, it's machine washable. Just don't tumble dry or bleach it, so the blue color stays bright.
Is this an officially licensed Cookie Monster Halloween costume?
Yes, this is an officially licensed Sesame Street product, not a generic blue costume with an add-on face.
Should I size up for this onesie?
Yes, this onesie runs small, so if you're between sizes it's best to size up.
Does this include any accessories?
No, this includes the onesie itself only, no gloves or shoes.
Is there a matching Elmo costume or a kids version?
Yes. For a matching group costume, there's the Elmo Onesie for adults, and for kids there's the Cookie Monster Kids Onesie and the Elmo Kids Onesie.
