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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.
Our Top Choice
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.
- Price: £16
- Age: 3-12 years
- 100% Cotton
- Machine washable
Best For Families On A Budget
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.
- Price: £12-14
- Age: 4-13 years
- 100% Polyester
- Machine washable
Best For Looking Like A Real Unicorn
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.
- Price: £9.59
- Age: 3-11 years
- Flannel Material
Best For A Colourful Design
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.
- Price: £14.95
- Age: 2-14 years
- 100% Polyester
- Machine washable
Best For A Rainbow Pattern
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.
- Price: £22
- Age: 9 months-24 months
- 100% Organic Cotton
- Machine washable
Best For Fancy Dress
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.
- Price: £17.99
- Age: 1-10 years
- 100% polyester
- Machine washable
Best For Early Years
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.
- Price: £14.99
- Age: 0 - 30 months
- 100% flannel lining: cotton
Best For A Spaced Theme
Harry Bear Girls Onesie Unicorn
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 makes it at the top of our list.
- Price: £12.95 - £15.95
- Age: 2-14 years
- 100% cotton
- Machine washable
Best For Personalised Pyjamas
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.
- Price: £28
- Age: 3-13 years
- 80% cotton, 20% polyester
- Can be personalised
Best For Babies
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.
- Price: £11.99-13.99
- Age: 0-12 months
- 100% Cotton
- Can be personalised
Best Fluffy Unicorn Onesie
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!).
- Price: £23-29
- Age: 3-16 years
- 100% Polyester
Best For A Stripy Design
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.
- Price: £29.95
- Age: 1-12 years
- 100% polyester
- Machine washable
Best For Lounging Around
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.
- Price: £22
- Age: 3-14 years
- 100% Polyester
- Machine washable
Best For Pink Lovers
Girls' Unicorn 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.
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.
- Price: £14
- Age: 6-13 years
- 100% polyester
- Machine washable

Written By
Georgia Stone
After living in various countries across Europe and now settling in London, Georgia is still in awe of everything there is to see and do in the capital. She loves to explore anywhere with a view; whether it's the iconic Shard or a secret spot in Highgate. You can usually find her travelling, taking photos or making her way to a concert - sometimes all three at once!
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