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No more worrying about burnt shoulders!
This is the Lou Royal Ocean Blue Onesie.
Timeless design with superb comfort, this onesie is quick drying, flexible and breathable. The back zip has a zip guard not to scratch the skin.
Available for instant shipment. Dispatch within 24 hours.
Easy returns within 30 days. Lifetime quality guarantee or money back.
PS We love giving back! That’s why we will donate two euros on your behalf to the Princess Máxima Center for pediatric oncology with this purchase. Read more.
65€
Pay later. Available at checkout.
FREE WORLDWIDE SHIPPING ON ORDERS OVER 150€
Available for instant shipment. Dispatch within 24 hours.
Easy returns within 30 days. Lifetime quality guarantee or money back.

We love giving back!
That’s why we will donate two euros on your behalf to the Princess Máxima Center for pediatric oncology with this purchase. READ MORE.
SUN SMART | GOOD FOR YOUR KIDS
Body coverage: upper body and arms
UPF 50+ fabric blocks 98% of UVA and UVB (protection only applies to the area of skin actually covered by the garment)
Meets European EN 13758-2 & Joint Australian/ New Zealand AS/NZS 4399:2017 Standards
Expertly designed by dermatologist Dr. Daniel Kadouch
SUSTAINABLE | GOOD FOR OUR PLANET
Made in Europe
High quality ECONYL® regenerated nylon
OEKO-TEX®
COMPOSITION
No more worrying about burnt shoulders!
This is the Lou Royal Ocean Blue Onesie.
Timeless design with superb comfort, this onesie is quick drying, flexible and breathable. The back zip has a zip guard not to scratch the skin.
Available for instant shipment. Dispatch within 24 hours.
Easy returns within 30 days. Lifetime quality guarantee or money back.
PS We love giving back! That’s why we will donate two euros on your behalf to the Princess Máxima Center for pediatric oncology with this purchase. Read more.
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- Free standard delivery & returns in Europe for all orders over 99€.
- Standard delivery in Europe within 5-8 working days*
- Express delivery in Europe within 2-4 working days**
* Monday to Saturday (excluding public holidays), from receipt of the order confirmation email unless otherwise stated in the product description.
** Express delivery guaranteed for all orders placed before 7.30pm, from Monday to Thursday (excluding public holidays), from the moment we receive the order confirmation email.
Please note: orders to countries outside the European Union are subject to possible taxes and customs duties in the country of destination. These costs and the related formalities are at the expense of the customer/consignee.
More information on return policy.
Clients reviews
These beautiful Tenue de Soleil swimsuits are one of my must have essentials for every summer. Something every parent and especially child should have. It is a relief that sustainability goes hand in hand with aesthetics, convenience and function!
Nina Pierson
Founder SLA, Author and Influencer
Our kids just love spending those summer days at the beach in their Tenue de Soleil swimwear. As parents, we don’t have to worry about burnt shoulders anymore. Instead we can focus on enjoying our family moments.
Carolien Spoor
Actress and Influencer
Tenue de Soleil not only has the coolest designs but also relieves you as a parent because it offers the right protection. A really nice and safe feeling so that we can enjoy the sunny days carefree!
Marielle Smit
Founder of Mama Deli
Summertime should be about having fun! It feels so nice to see our children enjoying the sun without holding back, knowing that they’re sun safe in their Tenue de Soleil outfits. And we’ve also saved on sunscreen costs ????
Marly van der Velden
Actress and Influencer
Tenue de Soleil is just great! Our daugther loves being in the water all day so she really needs that protection. Very nice!
Kristina Bozilovic
Editor in Chief at Talkies Magazine
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Doctor approved
Founded by dermatologist and skin cancer expert Dr Daniel Kadouch (MD PhD), Tenue de Soleil was created with one purpose: protecting future generations by championing skin care and promoting a sun smart culture.

No more burnt shoulders
Premium quality UPF 50+ UV-protective fabric blocks 98% of UVA and UVB. Super comfortable and quick drying.

Sustainable fabric
Made in Europe using ECONYL®. This is a special regenerated nylon from recovered ocean fishing nets and other nylon waste. We love clean oceans.