2 Shapewear Bikinis from SPANX that Rewrote the Rules for Swimwear

Let’s be honest: most bikinis are cute until you have to move in them. One dip in the pool, and suddenly you’re adjusting, tugging, and wondering how something with this little fabric can cause this much chaos. That’s where shapewear bikinis come in.

Shapewear bikinis are having a moment for a reason. They offer smoothing support, smart design, and incredible comfort. And when SPANX makes them, you know you’re getting that signature shapewear expertise with a swimwear twist.

In this post, we’re breaking down exactly why shapewear bikinis are the upgrade your summer wardrobe didn’t know it needed—and highlighting two SPANX sets that deliver on both style and substance.

3 Benefits of SPANX Shapewear Bikinis

Shaping swimwear isn’t about squeezing you in—it’s about feeling confident, supported, and like your swimsuit is working with you, not against you. Here are three ways SPANX shapewear bikinis stand out from the rest:

UPF 50+ Sun Protection

Let’s start with the fact that this swimwear actually protects your skin. Our shapewear bikinis are built with UPF 50+ fabric, which helps block harmful UV rays—because sunscreen can only do so much, and we’ve all missed a spot (or five).

Expert Shaping Effect

We basically wrote the book on shapewear, so it only makes sense that our swim styles come with some built-in shaping superpowers. Medium compression offers support where it counts—without making you feel uncomfortable. It’s the kind of shaping that feels invisible but looks unmistakably good.

Mix-and-Match Styles

Want to pair a plunge top with a high-rise bottom? Go for it. Prefer a bandeau with some extra coverage? We’ve got that too. Our bikinis are made to be mixed, matched, and styled to your comfort zone. Whether you're going full glam or more low-key, you’ve got options that still work as a set.

The Best Shapewear Bikini Sets from SPANX

We’ve taken everything you love about our shapewear—support, smoothing, structure—and brought it to women’s swimwear. These sets aren’t just photogenic; they’re made for movement, sun, and salty air.

Pique Plunge Bikini Top with Hi-Rise Cheeky Bottom

This set is all about sculpted support with a side of sun-kissed style. 

The Pique Plunge Bikini Top features a flattering deep V neckline with soft, flexible cups and a smoothing underband that stays in place, no matter how many cannonballs are involved. Subtle bust darts add shape without the need for heavy padding, while the textured pique fabric gives it a luxe, breathable feel that looks just as good dry as it does drenched.

Pair it with the Pique Hi-Rise Cheeky Bottom for an easy dose of sculpting and smoothing. Built-in power mesh offers medium compression all the way around, while the high-rise cut provides tummy coverage without feeling restrictive. The cheeky back gives you just enough exposure for a confident fit, and the no-dig leg openings keep things flat and flattering. 

Plus, it’s all made with UPF 50+ fabric—because style should never come at the expense of sun protection.

Convertible Pique Bandeau Bikini Top with Ultra Hi-Rise Cheeky Bottom

If you’re looking for versatility and sculpting in one stylish package, this set checks all the boxes.

The Convertible Pique Bandeau Bikini Top is proof that strapless can still mean supportive. With optional convertible straps, you can wear it your way—over the shoulder, criss-cross, halter, or completely strapless. The textured pique fabric gives it a luxe finish, while the power mesh lining offers 360 degrees of shaping and smoothing. Add in UPF 50+ sun protection and a dig-free design, and you’ve got a bandeau that’s surprisingly practical.

Pair it with the Ultra Hi-Rise Cheeky Bottom for a modern retro vibe that smooths in all the right places. The ultra-high rise provides extra tummy coverage, while the modest cheeky cut keeps things flattering without feeling overexposed. Like its sister bottom, this one also features no-dig leg openings, shaping power mesh, and that subtly textured fabric that adds dimension (and breathability).

Shaping Swimwear You’ll Actually Want to Wear

Bikinis shouldn’t require a constant game of adjustment or compromise. We took everything we know about shapewear—the compression, the comfort, the confidence—and used it to re-engineer women’s wimwear that actually supports your body and your plans.

Our shapewear bikinis were made for real women doing real things: diving into the deep end, lounging in the sun, chasing toddlers with a popsicle in one hand. Whether you mix and match or stick with a set, you’re getting shaping, sun-protected, stay-put swimwear that doesn’t just look good in a mirror—it moves with you, wherever summer takes you.