UnderWarmer Shark Tank Update
A single-use compression base-layer vest with eight air-activated heat packs, four in front and four in back, that reach about 100°F within minutes and give up to 12 hours of heat with no batteries or charging; sealing it in a bag pauses the heat. Unisex, S–XL. $14.99 at underwarmer.com, also sold through Amazon and wholesale.
What Happened to UnderWarmer After Shark Tank
Is UnderWarmer still in business? Yes — still in business.
$268,000
reported annual revenue
- ~$1.1M lifetime sales, most of it in the last three years; $268K in 2025
- Lands at $4.25, wholesales at $6.75, retails at $13.99; $3 customer acquisition cost and 60% repeat customer rate
- Eight air-activated heat packs, up to 12 hours of heat, no batteries; $14.99 at underwarmer.com
Last verified Oct 9, 2026.
Get updates on UnderWarmer
The UnderWarmer Shark Tank Pitch
Bryan Schaefer and Paul Schaefer of St. Louis, MO pitched UnderWarmer on Shark Tank Season 18, Episode 3, which aired Wednesday, October 7, 2026, asking for $100,000 for 15% of the company — a $666,667 valuation. At the time of the pitch, the company reported $268,000 in sales.
Kendra Scott agreed to invest $100,000 for 20% equity, valuing the company at $500,000, plus a royalty of $0.50 per unit.
Pitch Details
- Aired
- S18E3Oct 7, 2026
- Ask
- $100,000for 15%
- Ask Valuation
- $666,667
Deal Terms
- Amount
- $100,000
- Equity
- 20%
- Valuation
- $500,000
- Royalty
- $0.50 per unit
Kendra Scott