
Thompson Tee
Dealundershirts designed to block underarm sweat
Best known from its Shark Tank appearance, Thompson Tee is a undershirts designed to block underarm sweat in Season 8, and convinced Robert Herjavec to invest.
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From the show
The Shark Tank pitch
- $700K
- Asked for
- 7%
- Offered equity
- $10M
- Sought valuation
- $700K
- Deal amount
- 25%
- Deal equity
- $2.8M
- Deal valuation
The founders walked into the Tank in Season 8, Episode 23 in the episode that aired May 5, 2017. Thompson Tee, the undershirts designed to block underarm sweat, pitched in the Fashion & Beauty category, one of 239 fashion & beauty businesses to brave the Tank across all 17 seasons.
On the carpet, the number was $700,000 for a 7% stake, which valued the company at $10M.
Robert Herjavec made the deal at $700,000 for 25% equity. That priced the company at $2.8M, a haircut from the $10M the founders walked in asking for, which is how negotiations in the Tank usually go.
Thompson Tee was one of 96 businesses to pitch in Season 8, where 59 deals got done. In the Fashion & Beauty category overall, roughly 58% of pitches have landed a shark across the show's history.
Is Thompson Tee still in business?
Read our 2026 update on where the company is now.
Sold on Thompson Tee?
Check today's price and availability before it swims away.
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Frequently asked questions
Where can I buy Thompson Tee?
Check current price and availability on Amazon. Note that some Shark Tank products are discontinued or sold under a new name.
Did Thompson Tee get a deal on Shark Tank?
Yes. Thompson Tee closed a deal for $700,000 in exchange for 25% equity, with Robert Herjavec.
Which shark invested in Thompson Tee?
Robert Herjavec invested in Thompson Tee ($700,000 total as aired).
What season of Shark Tank was Thompson Tee on?
Thompson Tee appeared in Season 8, Episode 23, which aired May 5, 2017.
How much was Thompson Tee asking for on Shark Tank?
The founders asked for $700,000 for 7% of the company, a $10M valuation.
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