• Man and Woman wearing blue pluche Cookie Monster Adult onesie for adults. Standing next to each other, holding hood with hands.
  • Man and Woman wearing blue pluche Cookie Monster Adult onesie for adults. Standing next to each other, holding hood with one hand.
  • Man wearing blue pluche Cookie Monster onesie
  • Women wearing blue pluche Cookie Monster Adult onesie for women
  • Man wearing blue pluche Cookie Monster onesie
  • Women wearing red pluche Cookie Monster Adult onesie for women
  • Man wearing blue pluche Cookie Monster onesie, view from the back
  • Women wearing red pluche Cookie Monster Adult onesie for women, view from the back
(46 reviews)

Cookie Monster
Adult Onesie


Color: Cookie Monster

Regular price $54.99
$54.99
Sale price
Regular price
Sale Sold out

Size: XS


Features licensed Onesies:

  • Easy to wash and iron
  • Soft and comfortable to wear
  • Brushed fleece for extra softness
  • Officially Licensed

  • Fabric: 100% polyester
  • Washing instructions: Do not tumble dry, Machine Washable, Do not bleach

  • Includes: Onesie
  • Onesie: Hood, Side pockets, Kangaroo pocket at front, Brushed fleece inside

  • Model Size: The male model is 6'1.5" / 186 cm tall and is wearing size M, the female model is 5'8" / 173cm and is wearing Size S

A plain blue outfit doesn't say much. A full Cookie Monster onesie says exactly what you're about.

What this is

An officially licensed Cookie Monster Sesame Street adult onesie in blue, with a character hood, side pockets and a front zipper, in soft 100% polyester with a brushed fleece interior. Unisex relaxed fit.

Why this onesie works

  • Officially licensed Sesame Street design bringing the iconic blue monster to life.
  • Brushed fleece interior for warm, breathable, all-day comfort.
  • Relaxed unisex fit with an easy front zipper for quick on and off.
  • Machine washable, so it's easy to keep clean after repeat wear.

Good for

  • Halloween
  • Costume parties and cosplay
  • Movie nights and festivals
  • Gifting to a Sesame Street fan

Specifications

Included Onesie
License Officially licensed Sesame Street product
Design Cookie Monster character hood, blue
Fabric 100% polyester, brushed fleece inside
Details Hood, side pockets, kangaroo pocket at front, front zipper
Fit Unisex relaxed fit, runs small — size up if in doubt
Care Machine washable, do not tumble dry, do not bleach

Frequently asked questions

Is this officially licensed?

Yes, an officially licensed Sesame Street product.

Can this onesie be machine washed?

Yes. Do not tumble dry and do not bleach.

Is this onesie available for kids, or as Elmo?

Yes, it's also available as a kids onesie and as an Elmo onesie.


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Quality and Fit

Look sharp, feel comfy. Our slim-fit suits are made from high-quality polyester twill—built for style and movement. Go classic or go wild—your wardrobe, your rules.

Overall rating: 4.652174 / 5 from 46 reviews.

AI Generated Review Summary

The Cookie Monster onesie offers a perfect blend of fun, comfort, and style. Made from soft, high-quality fabric, it provides all-day coziness and is ideal for lounging, costume parties, and themed events. Its iconic design and easy zip closure make it a favorite among fans.

Summary topics

  • Product Quality (41%): Many customers brought up the great quality of the product, mentioning it multiple times in their reviews.
  • Costume Quality (19%): A significant number of customers brought up that the costume is great and of amazing quality.

Review topics: ["size","fit","fabric","costumes","material","quality","delivery","onesie","suit","order","service"].

Review highlights

  • "It’s super cozy and warm and great quality!"Kaitlin W.
  • "Shadows costume was amazing quality."Cristina M.
  • "Nice fit, and a fantastic soft fabric"Frans B.

Reviews

Perfect material, Perfect fit, very

"Perfect material, Perfect fit, very fast shipping, I can recomended 🤗"

Vít C. (4/5)

"its so cool"

Savannah (5/5)

"Fits great and very comfortable!"

Inferno (5/5)

Passt super und ist gut

"Passt super und ist gut verarbeitet. Schnelle Lieferung"

Andrea P. (5/5)

Tolles Kostüm

"Hatte den Overall als Kostüm für meinen Mann gekauft. Super Stoff und bequem. Nummer größer bestellt, damit noch Thermo-Sachen darunter getragen werden können."

Diana P. (5/5)

Schöner Überzeugung.

"Schöner Überzeugung."

Thomas W. (5/5)

Great quality, just as depicted

"Looks and feels great, only minor complaints are that it’s very warm (unsurprisingly) and that it’s very awkward to use the restroom in."

Brienne P. (4/5)

Top quality, fast delivery.

"Top quality, fast delivery."

Pierpaolo V. (5/5)

More than I hoped for

"The suits I ordered look great and are super comfortable. They are as advertised and that is a huge deal for me, since hardly anything is these days."

Jacquelynne G. (5/5)

Looks great, good quality

"Hard to go to bathroom while wearing if you have a vulva."

Brienne P. (4/5)

Q&A