Halter tops and triangle bikinis are your friend.

Yes, adjustable straps are common on swimsuits once you know what to look for.

Most bikini tops with a halter neck or crossover back have sliding adjusters built into the straps. Triangle tops almost always come with adjustable strings at the neck and back — that’s the whole point. For one-pieces, look for racerback styles or tops with slide adjusters on the shoulder straps (like a bra, but with more coverage).

Avoid bandeau tops or shelf-bra styles if you want real adjustability. Those usually rely on elastic tension alone, which stretches out fast.

If you need serious customization, brands like Andie, Cupshe, or Lands’ End specifically call out adjustable straps in their product descriptions. And never be afraid to buy a top separately from the bottom — mix and match is the secret to a truly custom fit.

Future You deserves a swimsuit that stays put.