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Kids Swim Onesies

Save up to 20% when you bundle kids styles Mix and match swim, hats and towels. The more you add, the more you save.

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Showing 1- 17 of 17 items

Girl on beach rocks in the MerindahGunya collab long sleeve girls onesie, purple and pink swirl art Front of the Long Sleeve Girls Onesie in MerindahGunya with zip, pink, purple and blue artwork
New Arrival
Size
  • 4 (4-5 years)
  • 6 (6-7 years)
  • 8 (8-9 years)
  • 10 (10-11 years)
  • 12 (12-13 years)
Quantity
Close up of a girl in flower sunglasses wearing the Trippin Hibiscus long sleeve girls onesie, pink Trippin Hibiscus long sleeve girls swim onesie front view
New Arrival
Size
  • 4 (4-5 years)
  • 6 (6-7 years)
  • 8 (8-9 years)
  • 10 (10-11 years)
  • 12 (12-13 years)
Quantity
Girl on the beach in the Coastal Coral long sleeve girls swim onesie, bright tropical leaves on blue Coastal Coral long sleeve girls swim onesie front view
New Arrival
Size
  • 4 (4-5 years)
  • 6 (6-7 years)
  • 8 (8-9 years)
  • 10 (10-11 years)
  • 12 (12-13 years)
Quantity
Trop a Croc long sleeve girls swim onesie front view Back of the Trop a Croc long sleeve girls UPF 50+ swim onesie
New Arrival
Size
  • 4 (4-5 years)
  • 6 (6-7 years)
  • 8 (8-9 years)
  • 10 (10-11 years)
  • 12 (12-13 years)
Quantity
Toddler on a beach chair in the Rubber Ducks kids onesie bundle, yellow ducks on blue with sun hat Toddler on the beach eating an ice cream in the Kids Onesie Swim Bundle in Rubber Ducks
Best Seller
Size
  • 1 (6-12 months)
  • 2 (1-2 years)
  • 3 (2-3 years)
  • 4 (3-5 years)
Quantity
Toddler in a garden wearing the Kids Onesie Swim Bundle in Aussie Battlers with matching sun hat Toddler walking on the grass in the Aussie Battlers UPF 50+ onesie and matching hat
Size
  • 1 (6-12 months)
  • 2 (1-2 years)
  • 3 (2-3 years)
  • 4 (3-5 years)
Quantity
Toddler at an ocean pool in the Kids Onesie Swim Bundle in Lobsters with matching sun hat Back view of a toddler in the pink Lobsters UPF 50+ onesie and bucket hat
Best Seller
Size
  • 1 (6-12 months)
  • 2 (1-2 years)
  • 3 (2-3 years)
  • 4 (3-5 years)
Quantity
Toddler sitting on the sand in the Box Jelly Fish UPF 50+ swim onesie Toddler walking on the beach from behind in the Box Jelly Fish onesie
#1 Trending Print
Size
  • 1 (6-12 months)
  • 2 (1-2 years)
  • 3 (2-3 years)
  • 4 (3-5 years)
Quantity
Toddler at the water's edge in the Donuts UPF 50+ swim onesie and sun hat Front of the Donuts long sleeve swim onesie, sky blue with iced donuts
Size
  • 1 (6-12 months)
  • 2 (1-2 years)
  • 3 (2-3 years)
  • 4 (3-5 years)
Quantity
Toddler by a pool in the Cheeky Cheetahs UPF 50+ onesie and matching sun hat, from above Child being lifted into the sky in the Cheeky Cheetahs swim onesie
Final Sale
Size
  • 1 (6-12 months)
  • 2 (1-2 years)
  • 3 (2-3 years)
  • 4 (3-5 years)
Quantity
Kids Onesie Swim Bundle in Drippy Bananas: purple banana onesie, sun hat and wet bag Purple swimsuit with banana pattern on a white background
Size
  • 1 (6-12 months)
  • 2 (1-2 years)
  • 3 (2-3 years)
  • 4 (3-5 years)
Quantity
Toddler wading in a pool in the Leopard UPF 50+ swim onesie and sun hat Leopard swim bundle flat lay: zip onesie, sun hat and wet bag
Best Seller
Size
  • 1 (6-12 months)
  • 2 (1-2 years)
  • 3 (2-3 years)
  • 4 (3-5 years)
Quantity
MerindahGunya (Joy) UPF 50+ swim bundle flat lay: zip onesie, sun hat and wet bag in Indigenous artwork
Artist
Size
  • 1 (6-12 months)
  • 2 (1-2 years)
  • 3 (2-3 years)
  • 4 (3-5 years)
Quantity
Watermelon print long sleeve kids swim onesie front view
Size
  • 1 (6-12 months)
  • 2 (1-2 years)
  • 3 (2-3 years)
  • 4 (3-5 years)
Quantity
The Clappers koala print long sleeve kids swim onesie front view
Size
  • 1 (6-12 months)
  • 2 (1-2 years)
  • 3 (2-3 years)
  • 4 (3-5 years)
Quantity
Sardines fish print long sleeve kids swim onesie front view
Size
  • 1 (6-12 months)
  • 2 (1-2 years)
  • 3 (2-3 years)
  • 4 (3-5 years)
Quantity
Trop a Croc crocodile print long sleeve kids swim onesie front view
Size
  • 1 (6-12 months)
  • 2 (1-2 years)
  • 3 (2-3 years)
  • 4 (3-5 years)
Quantity
17

Kids Swim Onesies

Sun protection that keeps up with them. Our long sleeve kids swim onesies cover little arms and bodies with UPF 50+ protection, certified in accordance with Australian and New Zealand Standard 4399, in the same bright prints as the rest of the Budgy Smuggler range. They make easy toddler swimwear for the beach, the pool and swimming lessons.

Made for Little Swimmers

A front zip makes them easy to get on and off, smooth flat lock stitching keeps them comfortable, and they are quick drying. Our unisex kids onesies also have inseam clip lock buttons for easy nappy changes and toilet visits.

Onesies, Bundles and Girls Styles

Shop single onesies or bundles with a matching swim hat and wet bag, plus long sleeve girls swim onesies in a one piece cut.

Frequently Asked Questions

What sun protection do the kids swim onesies give?
Our kids swim onesies are UPF 50+, certified in accordance with Australian and New Zealand Standard 4399.

What size should I choose?
If your child is between sizes, we recommend sizing up so the onesie lasts longer. Check the size chart on each product page.

Are the kids onesies unisex?
Yes, the kids onesies are unisex. We also make girls swim onesies in a one piece cut.

Complete the Look

Kit out the whole crew: kids swim hats, kids swim onesies, swim nappies, wet bags and matching family swimwear.

THE KIDS DROP

Newbies for your little ones.

Fresh off the shoot. Long sleeves, UPF 50+ and prints they'll fight over.

Shop new kids →
Parents and kids holding hands on the beach in matching Budgy Smuggler swimwear

FAMILY SMUGGLING

Families that smuggle together, stay together.

Same print for the whole crew, from the big kids to the little ones. Bundle the kids and save up to 20%.

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