Onewith on Shark Tank

Name: Onewith
Availability: InStock

Onewith makes seamless swimwear designed for comfort and a smooth fit. The line is aimed at women who want swimsuits without seams and elastic edges that dig in, chafe or show lines under clothing.

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Official website checked Nov 1, 2026.

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Price range $54 checked Oct 2026

⏱ Onewith in 30 seconds

The ask$200K for 5%Valued at $4M
In the tankDeal: $200K for 20%With Barbara and Jamie
After the showNot confirmedNo public record either way
TodayStill in businessSeamless swimwear sold direct-to-consumer

Onewith Shark Tank deal

Asked for: $200,000 for 5%
Asking valuation: $4M
Result: Deal
Final deal: $200,000 for 20%
Deal valuation: $1M
Sharks: Barbara Corcoran, Jamie Lima
Founders: Hayley Segar
From: -
Aired: Jan 24, 2025

Asked

$4M

Got

$1M

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Popular products from Onewith, with prices as listed when we checked (October 2026).

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The pitch

Video: Sharks Amazed by "One With" Swimwear That Fits Every Body | Shark Tank US | Shark Tank Global · Shark Tank Global on YouTube

Hayley Segar pitched Onewith in Shark Tank Season 16, Episode 9 (aired Jan 24, 2025). They asked for $200,000 in exchange for 5% equity, valuing the business at $4M. The entrepreneurs walked away with a deal from Barbara Corcoran and Jamie Lima: $200,000 for 20%. That put the final valuation at $1M, 75% below what they originally asked for.

Meet the founder

HSHayley SegarFounder of onewith

What happened to Onewith after Shark Tank?

Still in business Last checked November 1, 2026

Our checks

Nov 1, 2026: Visited the official website: it is working.

onewith makes patent-pending seamless swimsuits designed to fit like underwear, founded in 2021 by UConn graduate Hayley Segar. Before the show the company had generated $2.3 million in lifetime revenue. On the late-January 2025 episode, Barbara Corcoran and Jamie Kern Lima invested $200,000 for 20%, and both advised against moving into retail stores. Patch reported the site saw about 20,000 simultaneous visitors after airing, and Corcoran later featured the brand on her 'Business Bootcamp' segment.

Update: Seamless swimwear sold direct-to-consumer

Timeline since the show

2021
Hayley Segar founded onewith, a seamless swimwear brand
2025-01
Barbara Corcoran and Jamie Kern Lima invested $200,000 for 20% on Shark Tank
2025-01
Website drew about 20,000 simultaneous visitors after the episode aired, per Patch

Sources (4)

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Frequently asked questions

Did Onewith get a deal on Shark Tank?

Yes. Onewith got a deal with Barbara Corcoran and Jamie Lima for $200,000 and 20% equity.

Which Shark invested in Onewith?

Barbara Corcoran and Jamie Lima invested in Onewith on Season 16 of Shark Tank. Note that some on-air deals change or fall through during due diligence.

Is Onewith still in business?

As of our last check (November 2026), Onewith appears to still be in business. Its official website is online, and seamless swimwear sold direct-to-consumer.

What season and episode was Onewith on Shark Tank?

Onewith appeared in Season 16, Episode 9, which first aired on January 24, 2025.

Where can I buy Onewith?

You can buy Onewith from its official website and often on Amazon.

What was Onewith's valuation on Shark Tank?

The founders valued Onewith at $4,000,000 when they entered the Tank, and the final deal valued it at $1,000,000.