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  • Child wearing a red Knuckles onesie with a hood on a white background
  • Side view of a smiling child in a red Knuckles onesie with the hood up, showing white chest patch, front zipper, and side pockets.
  • Back view of a child wearing the red Knuckles onesie, showing hood with soft spikes and black printed tail details near the lower back.
  • Close-up of the red Knuckles onesie's side pocket with visible orange Opposuits label. Child's hand is placed inside the pocket.
  • Close-up of a child wearing the Knuckles onesie with the hood partially pulled over their eyes, revealing Knuckles’ embroidered facial expression.

Knuckles
Kids Onesie

Color: Knuckles
$49.99
$49.99
Sale Sold out
Size:

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Features licensed Onesies:

  • Easy to wash and iron
  • Soft and comfortable to wear
  • Stretch fabric
  • Officially Licensed
  • Includes: Onesie
  • Onesie: Hood, Side pockets, Kangaroo pocket at front, Brushed fleece inside
  • Fabric: 100% polyester
  • Washing instructions: Do not tumble dry, Machine Washable, Do not bleach

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  • Model Size: Our model is 4'10" / 148 cm tall and is wearing size 10-12Y
With this red-hot Knuckles Onesie, your kid will combine Knuckles’ fierce character with the cozy features of a soft jumper. Liven up every sleep over or relax and be the most stylishly, cozy Echidna in the world!
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Knuckles
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$54.99
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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: 4.8421054 / 5 from 19 reviews.

AI Generated Review Summary

Summary topics

Review topics: ["size","fit","quality","son","fabric","material","delivery","onesie"].

Review highlights

Reviews

Tolles Kostüm

"Mein Sohn wollte unbedingt als Super Mario zum Karneval gehen. Hatte dieses Kostüm dann gefunden und bestellt. Ich hatte die Hoffnung, dass es kein billiger Stoff ist. Und ich wurde nicht enttäuscht. Super bequem und fühlt sich gut an. Größengetreu"

— Diana P. (5/5)

Brilliant purchase

"7year old was excited to wear this giraffe onesie. It is cosy and warm and a good fit."

— Anne C. (5/5)

Perfect

"My kid loves it, can't get him to take it off!!"

— Jacquelynne G. (5/5)

"Fit as described and solid material/stitching. Has been worn for dress up and trick or treating. Washes well, too! Kids love it!"

— Michelle (5/5)

"Fit as described and solid material/stitching. Has been worn for dress up and trick or treating. Washes well, too! Kids love it!"

— Michelle (5/5)

Perfect !

"Perfect !"

— Annie b. (5/5)

Perfect

"Fast shipping and the outfit fit my son perfectly!"

— Deborah N. (5/5)

5 star top quality

"5 star top quality"

— Gavin F. (5/5)

Snelle levering

"Mooie onesie zoals op foto ."

— Bianca H. (5/5)

I had to guess size,

"I had to guess size, not having shopped with you before, but a 10 - 12 fitted beautifully on my 10 year old. He was delighted with it. It appears well made too. So I am a happy granny."

— Sue R. (5/5)

Q&A