onewith logo
onewith logo
Skip to main content

Build Your Bikini, Any 2 Separates For $99

Free Shipping on US Orders Over $80

1 Free Exchange on Eligible Orders

Main Menu
onewith logo
Shop Find your fit About Help  2 for $99 sale
0
Promotional banner reading ‘hot off the press’ with onewith featured in RETAILBOSS on a pink patterned background

June 29, 2025

onewith swim Shark Tank Deal Featured on Retail Boss

seamless one piece, best one piece for midsize, flattering one piece swimsuits for plus size

onewith swim was featured on Retail Boss in "Onewith Swim After Shark Tank Deal Update." onewith Founder Hayley Segar pitched our viral swimwear that fits like undies, and landed a deal with 2 Sharks, Barbara Corcoran and Jamie Kern Lima. Since airing on Shark Tank in January of 2025, our swimsuits that fit like no-show undies have soared in recognition and sales. Catch the full scoop on Retail Boss! Be sure to shop our flattering, size-inclusive swimwear here. 

Ready to get cheeky? 

Front view of Westerly Tie-Front Bikini Top on model showing adjustable tie-front and Shore Lines stripe, on a sailboat with an American flag in background
Size:
+1

Westerly Tie-Front Bikini Top
Back view of Jennings V-Cut High-Waisted bikini bottom in black showing V back, high-cut leg and wide waistband on white | alexhakim16 / M
Size:
+1

Jennings V-Cut High-Waisted Bikini Bottom
Back view of Merritt Dipped Cheeky Bikini Bottom showing V-dip waistband, cheeky fit, and raw-cut no-show finish on model | alexhakim16 / M
Size:
+1

Merritt Dipped Cheeky Bikini Bottom
Front view of the purple Foxon Multi-Way Bandeau Bikini Top on a model, showcasing crossed halter straps and gathered cups
Size:
+1

Foxon Multi-Way Bandeau Bikini Top
Shop all

Featured Posts

onewith Mystery Bundles Are Back For a Limited Time!

onewith Mystery Bundles Are Back For a Limited Time!

September 17, 2026
Bonded vs. Seamless Swimwear: What’s the Difference?

Bonded vs. Seamless Swimwear: What’s the Difference?

August 22, 2026
Why Elastic-Free Swimwear Feels More Comfortable

Why Elastic-Free Swimwear Feels More Comfortable

August 15, 2026