Sweat marks in business or social scenes can crush confidence. As hyperhidrosis sufferers, our founders Billy Thompson and Randy Choi created the Thompson Tee, as seen on Shark Tank.

With 10+ years of development, it's the only patented sweat proof undershirt on the market. Its unique underarm barrier stops heavy sweat from reaching your outer layers, eliminating sweat marks and yellow stains.

Ideal for anyone seeking a solution to embarrassing underarm sweat marks or a high-quality undershirt to protect clothes from sweat.

We have 10k 5-star reviews and you can try risk-free for 30 days! Check out our sweat proof undershirts for men & women here: thompsontee.com/