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 Sold

With over 10,000 5-Star Reviews, the Thompson Tee sweat proof undershirt is trusted by thousands worldwide. Combat underarm sweat, protect your clothing and regain your confidence with the best sweat proof shirt on the market.

Undershirts folded in dresser drawer
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

Made in the USA

Our shirts are 100% American manufactured, which means when you buy a Thompson Tee, you’re supporting local jobs!

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.

100% Made in the USA

Our sweat proof undershirts and anti odor shirts are American-made from start to finish. Every phase of production is completed in the USA. With each purchase, you’re also supporting U.S. jobs and manufacturing. Learn more about our efforts.

USA factory made
Degree Antiperspirant

All-Around Sweat Protection

Stock up on the essentials. Shop our selection of bestselling Degree antiperspirants, Carpe antiperspirant lotion and NoSweat® hat liners.