Bra-sized swimsuits are the answer.

Yes. You don’t need underwire for support—you need the right construction. Look for swimsuits sold by bra size (30DD, 34F, etc.) rather than S/M/L.

Brands like Freya, Panache, and Elomi make underwire-free options that actually work for D+ cups. They use wide bands, thicker straps, and firm cups molded from the same patterns as their bras. The key is the band—most of the support comes from a snug ribcage fit, not wire.

Don’t waste time with “one-size” or “D-cup” generic suits. Those use flimsy shelf bras that flatten you out. A bra-sized suit might cost more, but it stays put and looks like a swimsuit, not a sports bra.

Your boobs deserve better than a string bikini from Target.