14 Best Unicorn Onesies (Kids) For Magical Bedtimes

Georgia Stone
Dec 22, 2023 By Georgia Stone
Originally Published on Jul 06, 2021
A mother reads a bedtime story to her little girl who is sat on her lap wearing a patterned onesie.
Age: 0-11
Read time: 6.5 Min

The unicorn is an icon for children globally, a symbol of magic and individuality.  

Unicorn onesies are a great way of getting your children to look forward to bedtime and keeping them believing in magic for a little while longer.  A good pair of pyjamas are the gateway into creating the ideal nighttime routine; clothes are always crucial.

At Kidadl we have found the 14 best unicorn onesies for growing dreamers, including affordable options from a variety of high street and online retailers.

Kidadl's Top Pick

All of the unicorn onesies we've selected for you vary in color, style, sizing and price range. Our Kidadl top pick is a stylish blue onesie that  we believe meets all the criteria.

1. Girls' Unicorn Print Onesie, Light Blue - John Lewis ‍

Girls' Unicorn Print Onesie, Light Blue - John Lewis.

Our best selected unicorn onesie is this beautifully illustrated baby blue all-in-one from John Lewis. The cosy item is adorned with pale pink accents and popper fastenings. Its lightweight feel makes it the perfect option for all year round. John Lewis also partners with BCI (Better Cotton Initiative), so this onesie is also a great choice for sustainability and fair trade. A perfect fit for parents and kids.

Main Features

  • Price: £16
  • Age: 3-12 years
  • 100% Cotton
  • Machine washable

Best For Families On A Budget

2. Kids' Unicorn Print Onesie - Matalan‍

Kids' Unicorn Print Onesie - Matalan.

If you're looking for a onesie with a fleece material, this pretty pink suit with golden illustrated unicorns is an excellent choice. Complete with a hood and an easy zipper fastening for younger children and at a good price (low to suit families on a budget). Adorned with golden stars too, this item is sure to put a little bit of magic into bedtime.

Main Features

  • Price: £12-14
  • Age: 4-13 years
  • 100% Polyester
  • Machine washable

Best For Looking Like A Real Unicorn

3. Kids' Unicorn Kigurumi Animal Cosplay Costume - eBay‍

Kids' Unicorn Kigurumi Animal Cosplay Costume - eBay

This rainbow coloured sleepwear costume is an ideal buy for parents who still want all the features of a typical suit, horns, tail and eyes included, but at an affordable price. Its vibrant design is sure to catch the eye of your little unicorn.

Main Features

  • Price:  £9.59
  • Age: 3-11 years
  • Flannel Material

Best For A Colourful Design

4. Lora Dora Girls Novelty Character Onesie Fleece All In One - Amazon‍

Lora Dora Girls Novelty Character Onesie Fleece All In One - Amazon.

Imagine Joseph's Technicolor Dream Coat in a kids' unicorn onesie and ta dah, you have our fourth onesie. This vibrant, fleecy suit has a unicorn horn, eyes, nose and even a tail, but cleverly cuts out feet coverings to cool kids down on warmer nights. A perfect buy for children who love to dress up.

Main Features

  • Price: £14.95
  • Age: 2-14years
  • 100% Polyester
  • Machine washable

Best For A Rainbow Pattern

5. Hatley Baby Organic Cotton Unicorn Stripe Sleepsuit, Purple - John Lewis‍

Hatley Baby Organic Cotton Unicorn Stripe Sleepsuit, Purple - John Lewis.

Our second rainbow unicorn onesie for kids offers a more understated design, with rainbow accents and a neck-to-ankle zipper to make bedtime for the younger children that little bit easier. The all-in-one suit is organically made and promotes a creative unisex design. A suitable sleepsuit for your younger dreamers, this item is offered in sizes up to 24 months.

Main Features

  • Price: £22
  • Age: 9 months-24 months  
  • 100% Organic Cotton
  • Machine washable

Best For Fancy Dress

6. Fancy Dress Costume - H&M‍

Fancy Dress Costume - H&M.

Although technically a 'fancy dress costume', we think this gorgeous suit from H&M is a perfect pyjama set for those who love to use bedtime as an excuse to play dress up. Complete with a feathery tail and unicorn horn, rainbow wings, and a glittery star zipper, this item is sure to get your children racing to put their PJs on.

Main Features

  • Price: £17.99  
  • Age: 1-10 years
  • 100% polyester
  • Machine washable

Best For Early Years

7. Doladola Baby Boys Girls Flannel Animal Hooded Unicorn Rompers - Amazon‍

Doladola Baby Boys Girls Flannel Animal Hooded Unicorn Rompers - Amazon.

This super cute unicorn romper is designed to keep your tiny ones extra cosy and is available from Amazon in blue, pink and purple. The item's handy zipper offers ease of use for parents at bedtime, while the brightly coloured tail and horn features are set to make your mini unicorns happy.

Main Features

  • Price: £14.99
  • Age: 0 - 30 months  
  • 100% flannel lining: cotton

Best For A Spaced Theme

8. Bluezoo Girls' Navy Unicorn Onesie And Sleep Mask - Debenhams

Bluezoo Girls' Navy Unicorn Onesie And Sleep Mask - Debenhams.

If your little dreamer is fascinated by the magic of outer space and unicorns alike, then this all-in-one is ideal. An intricate unicorns-meet-aliens design with a stylish sleep mask sends this Debenhams item to the top of our list.

Main Features

  • Price: £15-16
  • Age: 2-14years
  • 100% cotton
  • Machine washable

Best For Personalised Pyjamas

9. Personalised Unicorn Children's Onesie - Not On The High Street ‍

Personalised Unicorn Children's Onesie - Not On The High Street.

If you're looking for a more personal gift, this design, available in bold blue or red, is great. The price, high in comparison to others on this list, is made worthwhile as you can add your child's name to the back of the suit. A great gift idea for young dreamers.

Main Features

  • Price: £28
  • Age: 3-13 years
  • 80% cotton, 20% polyester
  • Can be personalised

Best For Babies

10. Personalised Unicorn Birthday Eve Babygrow - Etsy‍

Personalised Unicorn Birthday Eve Babygrow - Etsy

Another personalised option, is this sweet unicorn babygrow from Etsy. The cute design of a unicorn sleeping on a rainbow is simply charming. The Etsy seller has great reviews and offers a simple sizing guide to help parents.

Main Features

  • Price: £11.99-13.99
  • Age: 0-12 months
  • 100% Cotton  
  • Can be personalised

Best Fluffy Unicorn Onesie

11. Pink Fleece Unicorn All-In-One - Next ‍

Pink Fleece Unicorn All-In-One - Next.

This fluffy pink number from Next promises the warmth needed for children on cold nights. A hood, unicorn horn and ears included, this suit may be a higher price but is perfect for parents willing to spend a little extra to make bedtime that bit more effortless (and fun!).

Main Features

  • Price: £23-29
  • Age: 3-16 years
  • 100% Polyester

Best For A Stripy Design

12. Fleur Novelty Character Onesie - Joules‍

Little girl smiling wearing Fleur Novelty Character Onesie - Joules.

This pink, stripy all-in-one from Joules is a cosy and stylish onesie, unicorn horns included. It's perfect for mini unicorn lovers who enjoy getting snuggly before bedtime.

Main Features

  • Price: £29.95
  • Age: 1-12 years
  • 100% polyester
  • Machine washable

Best For Lounging Around

13. Girls' Unicorn Onesie, Pink - John Lewis‍

Girls' Unicorn Onesie, Pink - John Lewis.

The simple star design offered on this suit makes it a bit more understated, but still stylish option. Complete with a zipper and pockets, this set is great to watch a movie, play video games or read a book in, whilst chilling on the sofa before bed.

Main Features

  • Price: £22
  • Age: 3-14 years
  • 100% Polyester
  • Machine washable

Best For Pink Lovers

14. Girls' Unicorn Onesie - Matalan ‍

Girls' Unicron Onesie Matalan.

This simple and sweet item from Matalan is an affordable and adorable option, offering a cute fluffy unicorn stomach feature. Your little dreamer will feel super snuggly in this option, and will be day-dreaming of getting to bed and transforming into their favourite mythical creature.

Main Features

  • Price: £14
  • Age: 6-13 years
  • 100% polyester
  • Machine washable

Kidadl Best Buys selects the top products for families of all ages. If you liked our suggestions for the best unicorn onesies then take a look at these great kids' sleeping bags or this list of cosy slippers to ensure the best cosy wear for your kids.

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Written by Georgia Stone

Bachelor of Arts specializing in French with Film Studies, Bachelor of Arts (Year Abroad) specializing in Literature, History, Language, Media, and Art

Georgia Stone picture

Georgia StoneBachelor of Arts specializing in French with Film Studies, Bachelor of Arts (Year Abroad) specializing in Literature, History, Language, Media, and Art

Georgia is an experienced Content Manager with a degree in French and Film Studies from King's College London and Bachelors degree from Université Paris-Sorbonne. Her passion for exploring the world and experiencing different cultures was sparked during her childhood in Switzerland and her year abroad in Paris. In her spare time, Georgia enjoys using London's excellent travel connections to explore further afield.

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