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✅ The Knuffle Fleece Onesie is perfect to wear during the colder seasons.
✅ You can turn down the heating and save on your energy costs. Easy on you, easy on the planet.
✅ Shipping worldwide; free shipping within Europe on all orders over € 100.
✅ Rewarded with 5-star ratings at Trustpilot as "Best Onesie On The Planet".
✅ Can comfy be stylish? For sure!
✅ Long-lasting, easy to wash and dry.
✅ Safe & Secure Payment & Shipping.
✅ 60-days hassle-free money back guarantee.
✅ Premium quality, all handmade in Europe.
✅ For more detailed measurements see the detailed Size Chart.
✅ Any questions? Send a Whatsapp or e-mail.
Don’t wait any longer: enjoy ultimate coziness with the Knuffle Fleece Onesie.





Why the Knuffle Fleece Onesie?
1. Exceptional Comfort- Immerse yourself in warmth and comfort like never before. The original Knuffle Fleece Onesie is famous for its exceptional coziness. Can comfort be stylish? We definitely think so!
2. Sustainable Luxury– Crafted with precision in Portugal from the ultra-soft double-sided Knuffle Fleece Fabric®. This guarantees consistent softness on both the inside and outside. What's more, it's 100% sustainable and produced with a carbon-neutral footprint. We also care about the environment when it comes to our packaging and labels, which are made from 100% recycled materials.
3. Customer Satisfaction– Many satisfied customers have embraced the original Knuffle Fleece Onesie. Check out their glowing reviews on well-known review website Trustpilot. You will certainly adore the comfort of our onesie, but if it doesn't meet your expectations we’ll provide an easygoing 60-day return policy.
4. Choosing The Right Size Is Easy – Pick your regular size for a comfortable fit with an average build. If you prefer a roomier, slightly oversized feel or if you have a fuller figure, go up one size. You can also check our detailed size guide for extra guidance. Sizes from 122 (4/5 years old) up to adults' XXL.
5. Complete the Experience – Transform the original Knuffle Fleece Onesie into an exquisite gift by adding the Knuffle Giftbox® to your order. Whether you're pampering yourself or surprising a loved one, this Giftbox transforms it into a luxurious present for any occasion. Hint to elevate your gift-giving skills: mix and match the original Knuffle Fleece Onesie with other premium Knuffle items for the ultimate cocooning experience.
Don’t wait any longer: enjoy ultimate coziness with the original Knuffle Fleece Onesie.
We offer free Shipping for all orders over € 100,-. We deliver fast worldwide. For orders below € 100,- the shipping costs are based on weight and destination. Just add the products to your cart, enter the checkout and you'll see the shipping price. See the Shipping & Delivery section on our website for more information and for the up-to-date estimated delivery period.
We want you to be 100% satisfied with your purchase. Is there an item you would like to send back? No problem! You can return any item for a refund within 60 days of receiving your order. Go to the Returns & Exchanges section for more information.
Besides we set up a sustainable return program to upcycle used Knuffle items. Read more about this as part of our 'Easy on you, Easy on the planet'-program.
Do you have a question?
We're available to help you right now!
What other people say about Knuffle on Trustpilot
Best onesie on the planet!
"Once you try a Knuffle Onesie, there's no turning back. It's soft, stylish, and oh so comfy. Still smooth after washing several times. I've had other onesies, but this is definitely the best onesie on the planet!"
Linda, Amsterdam, Netherlands
Blanket Hug
"The Knuffle Blanket feels like a warm hug. Keeps me warm and feels incredibly soft. Quality and comfort combined. Generous sized. It's my favorite winter essential which I can truly recommend to anyone."
Daniela, Copenhagen, Denmark
Perfect Gift
"I gave a Knuffle blanket to my wife. As it was a gift I ordered the Knuffle Giftbox as well. And it doesn't dissappoint: what a luxury gift to give!! My wife loves the blanket, it’s the perfect gift!
Geert, Hasselt, Belgium

I’m obsessed!
"Luxuriously soft, and they look amazing too. I wear the onesie as soon as I come home. I really feel like a sloth with this onesie. And so I save on my energy bill, too. I’m obsessed!"
Michelle, Boston, United States

My kids live in these onesies!
My kids (13 and 9 years old) live in these onesies. I love the soft colors, the little details in the embroidery, the quality of the zipper, etc. I would like to give 10 out of 10 stars!
Sandra, Apeldoorn, Netherlands