Here's What Went Down With Stringys Underwear After Shark Tank

Stringys, a company that specializes in invisible underwear, generated a bidding war on "Shark Tank." Kevin O'Leary, aka Mr. Wonderful, and Barbara Corcoran went head-to-head after founders Olivia Karina and Elvira Troger made a compelling pitch. In May 2025, the women appeared on Season 16, episode 20, and asked for $300,000 in exchange for 5% equity in their company. They ended up settling on a deal with Corcoran of $300,000 for 3%, plus 22 cents royalty in perpetuity, to Mr. Wonderful's chagrin. Though, to be fair, he makes less sense in the world of women's intimates. 

Companies that get deals on "Shark Tank" tend to go one of two ways. For almost everyone, there's a spike in sales thanks to the "Shark Tank effect," followed by a crash through any number of misfortunes. This can happen because of production glitches or mismanagement. Or, the brand can thrive thanks to exposure on the platform and continue to grow. Happily for Karina and Troger, Stringys was a hit on "Shark Tank" and continues to thrive. For best friends Karina and Troger, their goal was to create underwear for women that didn't show through fitted clothing. They wanted women to still be able to wear underwear — as opposed to going commando — and still rock a killer outfit. This philosophy seemed to strike a chord with the sharks, but also with a larger consumer fanbase, because Stringys is still very much in business. 

It can happen on "Shark Tank" that deals agreed to on-air end up falling through behind the scenes. However, in this case, it appears that the Stringys deal with Barbara Corcoran did, indeed, go through. Corcoran jumped on LinkedIn in June 2025 and posted a video of the "Shark Tank" deal alongside the captain, "Welcome to the family, Stringys!" So it looks like Stringys is safely tucked under Corcoran's mantle. 

Stringys underwear comes in a range of four different skin tones and seven different sizes, ranging from XXS to 2X. This inclusivity speaks to the brand's ongoing success, particularly after their "Shark Tank" debut. Another reason for their success is, as founders Olivia Karina and Elvira Troger told the sharks, each invisible panty costs $2 to make, and they in turn sell these for $14 a pair. After only 11 months in business at the time of their "Shark Tank" debut, Stringys had already made $180,000 in sales. Stringys isn't the only intimate apparel brand to appear on "Shark Tank." Lingerie line Naja made a "Shark Tank" appearance, but couldn't land an investor. Bootaybag, an underwear subscription service, did land an investment through guest shark Kendra Scott, but the brand ended up fizzling out later on. So the fact that Karina and Troger succeeded points to their ingenuity; and they certainly deserve a spot on the list of "Shark Tank's" most successful female entrepreneurs. 

Founders Olivia Karina and Elvira Troger have great ambitions for Stringys. In fact, the whole reason they appeared on "Shark Tank" was because they anticipated making $1.8 million in 2026 and needed the funding from a shark in order to place high-volume orders. Also, they were hoping to soak up some of that coveted "Shark Tank effect" for their business, and it seems to have paid off. While their focus has been on D2C (direct to consumer) sales, the founders announced that they've fostered relationships with certain boutique brands in a retail capacity. In January 2026, Stringys announced that customers could now buy their underwear from For Love and Lemons, as well as Seroya, a ready-to-wear label based out of New York. 

Stringys' Instagram presence has over 28,000 followers, with several shots of celebrities — from Emily Ratajkowski to Eva Longoria – wearing their underwear. Clearly, they've been enjoying the exposure that "Shark Tank" can bring. On top of that, there's so much potential to expand their brand. Fans have been asking online about the possibility of bras made with the same innovative invisibility that makes the underwear so popular. It's clear that Stringys is here to stay.