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

Stopping underarm sweat stains for good.

“The best undershirts for men to control armpit sweat.”

Men’s Health

“The perfect solution.”

The Doctors

“These Thompson Tees are worth the investment.”

Business Insider
Drenched to Dapper

Drenched to Dapper

Transform your life with Thompson Tee and enjoy the freedom of never worrying about pitting out.

Over 2 Million Sweat Proof Undershirts Sold

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Wear it, wash it, return it within 30 days if unsatisfied

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The original sweat proof shirt with patented Hydro-Shield® technology

The Thompson Tee Difference

Do you struggle with managing excessive armpit sweat? You’re not alone.

Thompson Tee provides a practical, comfortable solution for those who deal with excessive sweating or hyperhidrosis. Our sweat proof undershirts help eliminate embarrassing sweat marks and yellow stains while improving your confidence and quality of life.

Sweat Proof Technology

Patented Sweat Proof Technology

Our lightweight layering system traps heat and moisture and allows them to evaporate – meaning wet marks, sweat stains and odor won’t seep through your clothes.

Sweat Proof Demo
Made in USA

Ethically Produced

All our products are designed in America. We partner with American and global facilities that 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

Tag-Free

All sweat proof undershirts are designed with tagless, lay-flat collars, so there’s no irritation, itching or bulk.

Thompson Tee

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30-day risk-free returns

30-Day Risk-Free Returns

Wear it, wash it, return it within 30 days if unsatisfied