Finding the perfect fit for your little one

Footwear Sizing

Our footwear is made to standard sizing with a standard width, so we hope our Play Shoes, Water Shoes, Toggle Water Shoes and Sports Sandals are the perfect fit for your little one.

If you have any questions about sizing, please contact us here.

Approx. age Turtl UK size Turtl US size Turtl EU size
12-18 months 2 - 3 3 - 4 18 - 19
18-24 months 3 - 4 4 - 5 20 - 21
24-30 months 5 - 6 6 - 7 22 - 23
30-36 months 6 - 7 7 - 8 23 - 24
7 - 8 8 - 9 24 - 25
8 - 9 9 - 10 26 - 27
9 - 10 11 - 12 28 - 29
11 - 12 12 - 13 29 - 30
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Swimwear Sizing

Our swimwear is sized by age. Chest, waist and sleeve length measurements can be found on the product pages for our One Piece Swimsuit, Long Sleeve Swimsuit Set, Short Sleeve Swimsuit Set and Ruffle Swimsuit Set.

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What if the size I order isn't right?

Don't worry, if the size isn't quite right, returning your item is quick and hassle-free. You can find out more about our returns process here. Plus, returns are completely FREE for Turtl Rewards members - just one more reason to sign up and join our community!

Learn more about Rewards