Swimsuits that actually fit.

The world's most comfortable swimsuit

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We’re on a mission to turn the tide on standard, inflexible sizing.

We’re creating swimwear that represents us realistically, accepting our bodies as they are — unique, ever-changing, and unedited.

“Youswim’s swimsuits are actually magic.”
— ELLE

Find your Stretch

Two sizes. Fits like it was made for you.

Fitting UK 6–28 — tops, bottoms and suits for your daily evolution.

Which UK size do you usually wear?

Your adaptable size Stretch I Fits UK 6–16 · A–F cup

Everyone here is wearing the same size.

Usually UK 6
Usually UK 8
Usually UK 10
Usually UK 12
Usually UK 14
Usually UK 16
Two sizes, endless comfortTwo sizes, endless comfort

Versoform™

No more size charts.

Our original knit flexes in every direction and springs back, so it adapts to you through weight changes, pregnancy and every up and down.

Our original knit flexes in every direction and springs back, so it adapts to you through weight changes, pregnancy and every up and down.

  • Circular-knitOne continuous tube of buttery-soft fabric. No side seams to dig or pinch.
  • OEKO-TEX® certified fabricTested for harmful substances, down to the thread.
  • Made in EnglandKnitted, dyed and sewn in England, sweatshop-free.
Explore the collection
“It fits like a glove.”
Shannon S. · usually UK 18 · Stretch IShop now →