Softshell Onesie for Kids Rainbow Print
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Weatherproof Whimsy for Every Muddy Escapade
Whether it's a drizzle, a downpour, or one of those mysterious sideways rains, this softshell onesie keeps your little explorer snug, dry, and free to leap into every puddle with theatrical flair. As parenting aids go, it's rather marvellous. Designed for energetic imaginations and soggy back gardens alike.
Why Choose Our Softshell Onesie for Kids?
- Weather Protection: Water-resistant up to 10000 mm with breathability of 5000 g/m²/day, which is a fancy way of saying it fends off the wet stuff while letting their limbs breathe heroically.
- Grows With Them: Adjustable waist and hood with ribbed cuffs and ankles. It’s like the Hogwarts of outerwear—remarkably adaptive.
- Reflective Details: Subtle shine for twilight adventures and dramatic exits after school. Quite handy when they bolt across the lawn at dusk.
- Pockets for Treasures: Zippered compartments perfect for pebbles, feathers, or possibly a slice of cheese you swore went missing.
- Standout Style: Delightfully bold rainbow print—not that it's a competition, but yes, your child might now upstage the playground.
Product Details:
- Material: 94 percent polyester and 6 percent polyamide
- Three Layer Softshell: Waterproof outer, fleece inner, and a clever thermoactive middle that’s quite like pastry. Only warmer.
- Temperature Comfort: Best suited for bracing days between minus 6 and 10 degrees Celsius
Care Instructions:
Wash inside out with zips closed and pockets emptied (lest you launder a pinecone). Use a speciality detergent. No softeners. No tumble drying sagas. Wash at 30 degrees Celsius and let it air dry like the majestic garment it is.
Sustainably Thoughtful: Each onesie is assembled with patience and care. Delivery takes time—anywhere from a few days to a handful of weeks. Quality, as you know, isn’t one to rush.
Dress your child in something fabulously functional. Order today and outwit the weather with a wink of colour and a splash of clever.
SHIPPING + RETURNS
THE RATHER IMPORTANT BITS
This rather lovely piece ships directly from our brand partner - we work with independent brands who are absolutely brilliant and work frightfully hard to create beautiful things.
SHIPPING DESTINATIONS
Now, here's the thing - our wonderful brand partners ship to lots of different places, but not all of them can ship worldwide.
Some are brilliant at international shipping, others prefer to keep things closer to home.
At checkout, you'll see exactly where this particular brand can send your goodies.
We're terribly sorry, but shipping costs do vary rather wildly depending on where you are in the world. The exact figures pop up at checkout - no nasty surprises!
RETURNS
You have 14 days to return items.
Now, we absolutely adore our brand partners - they work incredibly hard and we do try to support them as much as we possibly can. So I'm rather afraid we have to pass the return postage costs back to you. Frightfully sorry about that!
🌍 PLEASE CHOOSE THOUGHTFULLY:
Our wonderful partners put their hearts into everything they make.
Ordering multiple sizes to try at home is rather hard on our planet and makes things jolly difficult for these brilliant independent creators.
When in doubt, do ask us first!
The brands we work with all have a chat option, and they love to chat!
PAYMENT
We're frightfully modern and accept all the usual suspects:
Visa, Mastercard, American Express, PayPal, Apple Pay, Google Pay, and Shop Pay
SECURE AS HOUSES
Everything's properly encrypted and secure - your details are safer than the Crown Jewels!
All prices in lovely British pounds £ GBP, though international chaps will see converted prices.
Any payment pickle? We're here to help sort things out! Contact us
We are Sostter
We met as children. Grew up a few streets apart. Built dens, rode bikes, and eventually — built Sostter.
It started with a shared love of objects that meant something…things with a past, or at least a purpose.
Now, Sostter is our grown-up version of a treasure hunt: a space where design meets storytelling.
We curate independent brands, one-of-a-kind finds, and everyday essentials with character.
Giving Back
We’re proud to support Sutton Night Watch, a grassroots UK charity making a real difference in the lives of those facing homelessness. Through regular donations of stock, supplies, and essentials, we back their mission to offer warmth, dignity, and practical help to anyone in need — right where it matters most.
Sell with us
Sostter partners with independent brands that intrigue, inspire, and bring something genuinely different to the world of fashion, design, and living. Join us!