Fit Guide - Children's
Children’s Fit Guide
At TANA ANA, we design our children’s swimwear to keep up with active little swimmers—while making sizing simple for parents.
True to Size Fit
All children’s styles are true to size. We recommend ordering your child’s usual clothing size for the best fit.
How to Choose the Right Size
If your child is between sizes, here’s what we recommend sizing up for a bit more room to grow
Fit by Style:
The Finley (Long Sleeve + Biker Shorts Set)
- Flexible fit depending on preference
- Size down for a more fitted biker short look
- True to size for a slightly more relaxed fit
The Esther (Long Sleeve One-Piece with Zipper)
- True to size with a secure, stay-put fit
- Front zipper allows for easy on and off
The Mini Trish (One-Piece)
- True to size
- Designed for comfort and movement with a classic one-piece fit
The Mini Alex (Boys Swim Shorts)
- True to size
- Streamlined fit (not baggy like traditional swim trunks)
Need Help Deciding?
If your child is taller, has a longer torso, or is between sizes, we’re always happy to help you find the perfect fit.
Why Fit Matters
Our children’s swimwear is designed to stay in place during movement, so kids can swim, play, and explore without constant adjusting—giving parents peace of mind and kids total freedom.