• A kid is wearing a blue sesame street onesie resembling Cookie Monster.
  • A kid is wearing a blue sesame street onesie resembling Cookie Monster.
  • A kid is wearing a blue sesame street onesie resembling Cookie Monster.  Full body image
  • A kid is wearing a blue sesame street onesie resembling Cookie Monster. Full body image
  • A kid is wearing a blue sesame street onesie resembling Cookie Monster. View from the back
  • A kid is wearing a blue sesame street onesie resembling Cookie Monster. Close up of the chest
  • A kid is wearing a blue sesame street onesie resembling Cookie Monster. Close up of the sleeves
  • A kid is wearing a blue sesame street onesie resembling Cookie Monster. View from the back
  • A kid is wearing a blue sesame street onesie resembling Cookie Monster.

Cookie Monster
Kids Onesie



Regular price €39.95
€39.95
Sale price
Regular price
Sale Sold out
Tax included.

Size:



  • 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


Join the OppoClub, the rewards program for true, standout legends. Earn points for everything you
do: purchases, sharing your reviews, referring friends, and following us on Instagram and Facebook.

Trade those hard-earned points for exclusive perks and discounts on your next outfit. Expect applause, or at least a few complementary nods of approval.

[More about the OppoClub Rewards program]


Can you hear the delightful sound of cookies crunching? That's right, it's time to unleash your inner cookie-loving monster with the irresistible OppoSuits Cookie Monster Onesie! The one piece is made from a soft huggable fabric that is perfect for lounging around and watching Sesame Street marathons, because the roomy pockets are perfect for carrying your favorite snacks or even hiding a secret stash of cookies. Let your inner Cookie Monster roam free, one delicious bite at a time!


Also available in
Website banner product page, 3 men wearing opposuits suits. The man one the left is wearing a Mr. Pink suit, the man in the middle is wearing a Funky Fade suit and the man on the right is wearing a Flaminguy suit. Website banner product page, 3 men wearing opposuits suits. The man one the left is wearing a Mr. Pink suit, the man in the middle is wearing a Funky Fade suit and the man on the right is wearing a Flaminguy suit.

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.