The unofficial start to swimsuit season is Memorial Day weekend, and if your collection needs a refresh, you’re in luck: we uncovered the hottest upcoming swimsuit trends of 2025.
This summer’s emerging trends include flattering features for women in their 40s and beyond. We’re talking ruffled sleeves, contouring cutouts, secretly slimming colorblock styles and so. much more. These swimsuit styles continue to pop up at Amazon and Nordstrom, and it only makes sense to tell the masses!
If you want to be a poolside trend-setter (not a trend-guesser), read on! We rounded up the trendiest styles everyone will be vying for this summer.
4 Slimming Swimsuit Trends for Summer 2025
Sculpted Silhouettes
Bestseller alert! Nearly 26,000 shoppers give this shaping one-piece five stars, so don’t just take our word for it. This tummy-control suit features ruching, ruffles and a lace-up back design — all winning features to help you shine this summer.
- Eomenie Tummy-Control Wrap Swimsuit — $37 on Amazon!
- Oceanus One Piece — $168 at Nordstrom!
- Charmo One-Shoulder Scalloped Bathing Suit — was $39, now $35 on Amazon!
- Cupshe V-Neck Tummy-Control Swimsuit — $40 on Amazon!
19 Waist-Snatching One-Piece Swimsuits That Flatter Women in Their 40s
Sleeves, Please!
We’re simply obsessed. Ruffle sleeves minimize the arms while a plunging V-neck adds a sexy twist. Paired with a twist detail, lace-up back and full-coverage bottoms, you’ll exude model-like confidence. Find more swimsuits with short-, long- and dainty sleeve details, below!
- Tempt Me One-Piece Off-the-Shoulder Swimsuit — $30 on Amazon!
- Lands’ Zip Long-Sleeve Swimsuit — was $100, now $75 at Nordstrom!
- Eomenie Ruffle-Sleeve One-Piece — $38 on Amazon!
- Short-Sleeve UPF 50+ Zipper Bathing Suit — $34 on Amazon!
Flattering Cutouts
This one-piece swimsuit slims everything, everywhere. The cutout design lengthens your torso while ruching covers your tummy; push-up padding gently lifts while the tie back snatches your waist. Added to cart!
- Cupshe Plunge Criss Cross Swimsuit — $40 on Amazon!
- Shapellx Smart Sculpt Ribbed Shaping Swimsuit — $64 at Nordstrom!
- B2prity Tummy-Control High-Waist Swimsuit — $37 on Amazon!
- Yonique One-Shoulder Cutout Swimsuit — was $33, now $31 on Amazon!
Colorblock
Have you ever seen such a rich-looking swimsuit? This colorblock swimsuit makes any figure look hourglass, using contrasting colors to contour the waist, hips and midsection. You’ll turn heads at the neighborhood pool in the very best way.
- Blooming Jelly High-Waisted Bikini Set — $38 on Amazon!
- Blooming Jelly Tummy-Control Wrap-Waist One-Piece — $37 on Amazon!
- Herseas Square-Neck Bikini Set — was $32, now $27!
- BMJL Sporty High-Cut Bikini Set — was $38, now $35!
23 Colorful Tummy-Control Swimsuits That Will Stun in the Sun
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