The Most Popular Beyond Seamless Swimsuit Styles for Women

If you're looking for the most flattering bikini or one piece this swim season, you can't go wrong with any of onewith's patented, better-than-seamless swimwear styles. They're dig-free, elastic-free, and edgeless, for a second-skin fit that is truly onewith your body. 

Unlike traditional swimwear that relies on tight elastic bands and bulky seams, our swimsuits move with your body instead of squeezing it. The result? Swimwear that fits more like your favorite seamless underwear than a traditional swimsuit.

Whether you're searching for the perfect bikini that fits like underwear, a flattering one-piece, or the most comfortable swimsuit for your next vacation, these are the onewith styles our customers can't stop wearing.

Westerly Tie-Front Bikini Top: Our Best-Selling Bikini Top

The Westerly Tie-Front Bikini Top is our best-selling bikini top for a reason. It combines a timeless silhouette with customizable support and lift, making it an easy favorite whether you're lounging by the pool, relaxing at the beach, or packing for vacation.

Why you'll love it

• Adjustable tie-front for customizable support
• Dig-free, elastic-free, edgeless construction
• Comfortable enough for all-day wear
• Classic design that never goes out of style
• Available in 9 colorways

Best for: Women looking for an adjustable bikini top that offers comfort, versatility, and a flattering fit.

Jennings V-Cut High-Waisted Bikini Bottom: A Customer Favorite

The Jennings V-Cut High-Waisted Bikini Bottom was designed with the help of our Instagram community, and it quickly became one of our most-loved swimsuits that fit like underwear^® styles.

Its flattering V-front and V-back waistband, combined with a high-cut leg and comfortable hip coverage, create a silhouette that elongates your legs without digging into your skin. Thanks to our patented beyond seamless construction, Jennings hugs your body without squeezing or leaving red marks behind.

Why you'll love it

• Flattering V-cut waistband
• High-cut leg for an elongated look
• Comfortable hip coverage
• Dig-free, elastic-free fit
• Available in 8 colorways

Best for: Anyone looking for a flattering high-waisted bikini bottom that feels as comfortable as seamless underwear.

Merritt Dipped Cheeky Bikini Bottom: Effortless Comfort

The Merritt Dipped Cheeky Bikini Bottom is a total no-brainer. Designed as Woodmont's softer, slightly cheekier sister style, Merritt offers a relaxed silhouette with less structure while maintaining the signature comfort that makes onewith swimwear different. The dipped waist and cheekier coverage create a flattering shape that feels lightweight, effortless, and easy to wear.

Why you'll love it

• Slightly cheekier coverage
• Relaxed, less structured silhouette
• Soft, second-skin swimsuit feel
• No digging, pinching, or squeezing
• Patented beyond seamless construction

Best for: Women who love cheeky bikini bottoms with an ultra-comfortable bikini bottom fit that won't dig into their hips.

Foxon Multi-Way Bandeau Bikini Top: Five Styles in One

Looking for a bikini top that gives you options? Meet the Foxon Multi-Way Bandeau Bikini Top.

Foxon can be worn five different ways, making it one of the most versatile swimsuits in our collection. Whether you're changing up your vacation photos or simply love having styling options, this bandeau bikini top lets you create multiple looks while maintaining the same secure, second-skin fit.

Why you'll love it

• Five different ways to wear it
• Minimal, modern silhouette
• Comfortable, dig-free support
• Patented beyond seamless construction
• Perfect for tanning and travel

Best for: Women who want a versatile bandeau bikini top with multiple styling options.

Bellows Plunge High-Cut One Piece: The Confidence Booster

If you're looking for a swimsuit that makes you feel incredible the moment you put it on, the Bellows Plunge High-Cut One Piece is it.

The secure plunge neckline creates a bold, flattering silhouette, while removable cups, a sculpting waist, and a high-cut leg work together to create a smooth, confidence-boosting fit. Like every onewith swimsuit, Bellows features our patented beyond seamless construction, eliminating uncomfortable squeezing around your waist and hips.

One of our favorite things about Bellows? It transitions effortlessly from the beach to everyday wear. Simply pair it with shorts, jeans, or a skirt and wear it as a bodysuit.

Why you'll love it

• Secure plunge neckline
• Sculpting waist
• High-cut leg for an elongated silhouette
• Removable cups
• Comfortable enough to wear as a bodysuit
• Dig-free, elastic-free fit

Best for: Women looking for a flattering one-piece swimsuit that offers confidence, comfort, and versatility.

Find Your New Favorite Swimsuit That Fits Like Undies

The best swimsuit is the one that lets you stop thinking about your swimsuit. No digging. No adjusting. No squeezing. Just a second-skin fit that moves with your body and helps you feel confident from the first swim to the last sunset. 

Whether you prefer a cheeky bikini bottom, a versatile bandeau, or an ultra-flattering one-piece, every onewith style of swim that fits like underwear is designed with the same patented beyond seamless construction that has changed the way thousands of women think about swimwear.

Explore our collection of best-selling better-than-seamless swimwear, and follow along on our Instagram for all updates in the world of onewith swim.