Leak-proof, practical, and with the right fit. These are the keywords for our most popular swim diapers, Watery Thetis Youngster, which are loved by many children (and not least their parents) all over the world. Made from thin 1 mm antibacterial neoprene, providing high warmth in the sometimes cold water and a comfortable experience to wear, so your child can experience full freedom. Meets 100% of the new requirements from Danish swimming pools, here in the most popular color model for boys - Pink/Purple

As all parents know, the unthinkable accident can happen, and if it does without a proper swim diaper, it can be difficult to continue the swim afterwards. With the ergonomically adapted fit of the Thetis Youngster and the wide waistband around the stomach and thighs, you get maximum security against leaks from the accident. This also means that these swim diapers work and can be used alone, but to make cleaning the swim diapers easier afterwards, it is still recommended to use a wrap or insert underneath.

The special neoprene material is, in addition to its leak-proof function, also

  • Resistant to mold and bacterial growth. Therefore, nothing happens if they are forgotten wet in the swim bag for a few days.
  • Especially flexible and soft, making them feel completely natural for most children to wear without being disturbed by irritating material, even for longer periods.
  • 100% free of phthalates and without latex
  • UPF 50+ sun protection
With the specially adapted fit, they are easy and quick to put on and take off. The waistband is rolled down, then your child's legs are put through the leg openings, and finally, they are pulled all the way up. For the optimal fit, they should end just above the stomach and fit well at the legs.

Due to the ergonomically adapted fit, which makes them leak-proof and ensures a comfortable fit, the swim diapers are not equipped with irritating elastics, so your child avoids uncomfortable marks or abrasions on the skin from the diaper.

Reusable swim diapers like these are estimated to emit 1.5 - 2.5 times less CO2 during production compared to disposable diapers.

Design-wise, you get our most popular design in Pink/Purple. The model is also available in several other colors such as Green/Blue.

Product specifications for Watery Thetis Youngster

  • Meets all requirements from Danish swimming pools
  • Constructed from 1 mm neoprene, providing flexibility and increased warmth
  • The inside is lined with soft padding, making them comfortable for the child to wear for longer periods.
  • Developed from a material that is antibacterial and resistant to mold and bacterial growth.
  • Without elastic, so your child avoids getting red marks
  • 100% free of phthalates and latex
  • UPF 50+ sun protection

Washing instructions

The swim diapers should be hand washed in cold water and then laid to dry (not in direct sunlight) immediately after use. No type of detergent should be used, but if an accident has occurred, it might be a good idea to use soap flakes.

SKU: 1006094

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Watery swim nappies for kids - Thetis Youngster - Pink/purple

    Swim nappies SKU:
4.79 (28)
🌈 #2 Colour in model
🏆 Best in test
🔥 #3 in Swim nappies
  • Leak-free and safe construction.
  • Comfortable and ergonomically fit.
  • Antibacterial neoprene for added hygiene.
  • High thermal insulation for cold water environments.
  • Meets the requirements of Danish swimming halls.
  • Easy to turn on and off with roll function.
  • No irritating rubber bands, avoids red marks, and you know what?
  • Resistant to mold and bacterial growth.
  • 100% free of phthalates and latex.
  • UPF 50+ for optimal protection from the sun.
  • Can be used alone or with inserts for easy cleaning.
  • Recyclable and less CO2.
  • 1 mm of neoprene
  • soft lining
  • Is the material resistant to bacterial growth?
  • Are the diapers free of latex?
  • What kind of sun protection does the material provide?
  • Are they easy to put on and take off?
  • Yes, the material is antibacterial and resistant to mold and bacterial growth.
  • Yes, they are 100% latex-free.
  • The material provides UPF 50+ sun protection.
  • Yes, they have an ergonomic fit that makes them easy to take off and on.
  • Wash your hands in cold water.
  • Dry (do not expose to direct sunlight).
  • Do not use detergent.
  • If necessary, soap spoons may be used.
  • Age group: Children

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Customer Reviews

Based on 28 reviews
79%
(22)
21%
(6)
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O
Oleksandra Havelia

Watery Child Swim Diaper - Thetis Youngster - Green/Blue

J
Jenny Standley
Fantastic!

Very nice and good quality. I ordered 2 pairs for my boys. They fit perfectly and are both stylish and seem able to withstand accidents.

M
Michael Mi Bo Nyberg
Mega good product

Super fast service and great product. They work as they should and my daughter feels comfortable wearing them.

P
Poul Mortensen
Soft and comfortable

My baby seems to like them

D
Dirk Cosentino

fits and serves its purpose

M
Mathias
Love them!

We use them every time we bathe

E
Emil T

Not expensive, but super good quality

B
Bent Andersen
fin elastic

Ends close without being uncomfortable

J
Jonathan
Very satisfied

Good quality and service

J
Josefine
Fast delivery

There is nothing to put a finger on

Size Guide and Chart for Thetis Youngster Swim Diaper Pants

Here is the size chart for selecting Thetis Youngster swim diaper pants. For these swim pants, size is based on age and waist measurement.

Most often, size is chosen based on age, but the most important measurement is the waist. To ensure you get the right size, we recommend checking the size chart. This way, you’ll undoubtedly find the optimal size for you.