Sweat Proof Undershirts

Wardrobe Game-Changers

Sweat Proof Undershirts

Our patented Sweat Proof Technology stops underarm sweat stains and odor for good.

Over 1 Million Shirts Sold

We’re celebrating 10 years of comfort and confidence! Thank you for supporting us over the last decade and making Thompson Tee the best sweat proof shirt on the market, trusted worldwide with 10,000+ 5-star reviews.

Over the last 10 years, our sweat proof undershirts have helped thousands of people feel comfortable and regain their confidence. We've come a long way and hit many milestones, but we couldn't have made it this far without you.

– Billy Thompson and Randy Choi, Co-Founders

Billy and Randy Saying Thank You
Armpit sweat confidence as getting ready for the day
"The best undershirts for men to control armpit sweat"

Also seen in

Shark Tank The Doctors The Huffington Post ABC News CNBC News Wall Street Journal Mens Journal Medium Business Insider

The Thompson Tee Difference

Sweat Proof Technology

Patented Sweat Proof Technology

Our sweat-proof shield design allows sweat to escape as vapor, meaning sweat, yellow stains and odor won’t seep through your clothes.

Sweat Proof Demo
Made in USA

Highest Quality Materials

All our products are designed in America, and we only source raw materials from the U.S. We partner with American and global facilities and commit to the highest fair labor and environmentally-friendly standards.

Thompson Tee Undershirt Technology
Shirts are machine washable

Machine Washable

Wash your Thompson Tees as often as you like - our sweat proof technology won’t wear out over time.

Shirts are tagless

No Tag

All our shirts are designed with tagless, lay flat collars - no itching or bunching up.