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Made in the USA

Men's Sweat Proof Undershirt - Slim Fit Crewneck

Men's Sweat Proof Undershirt - Slim Fit Crewneck

Sweat Proof Guarantee
Sweat Proof Guarantee
$31.99

Free Domestic Shipping Over $50 Shipping Information

Finally, Wear What You Want.

Say goodbye to sweat marks and stains. Thompson Tees slim fit, sweat proof undershirts combine the best features of a luxury undershirt with patented sweat proof technology that stops sweat in its tracks.

Wear the Thompson Tee beneath your favorite button-down or T-shirt. The form-fitting style hugs your body for a streamlined look and feel. Gain the confidence to tackle your interview, presentation or next date without fear of sweat marks!

Patented Sweat Proof Technology for Slim Fit Crewneck Shirts

Patented, Sweat Proof Technology

Layered

Proprietary design stops sweat from showing through your underarms — period.

Seam

Center seam with separate front and back sweat panels for a sleek, tailored fit and feel.

Washing

Sweat proof technology won't wash out or lose effectiveness over time. Prevent pit stains day after day, wash after wash.

Slim Fit Crewneck Shirt Features
Feature 1

Ultra-Soft, Lightweight Material

The Slim Fit undershirts contain 95% premium rayon from bamboo and 5% spandex for a smooth, body-hugging fit.

Feature 2

Tagless, lay flat collar

Itchy, scratchy tags are a thing of the past. Thompson Tee’s tagless design ensures the shirt lays flat with no unsightly bunching.

Feature 3

Machine washer and dryer safe

Thompson Tee with Hydro-Shield Sweat Proof Technology can be machine washed in cold or warm water and dried on medium (or lower) heat.

Tuckable Slim Fit Crewneck TShirt

Long, Tuckable Length That Stays Put

Move through your day freely. Thompson Tee’s long, tuckable length stays in place all day. So go ahead and wave those arms around!

Thompson Tee Guarantee

The Original Sweat Proof Undershirt

We're serious when we say no more pit stains. We guarantee sweat won't penetrate the underarm barrier -- or your money back!

Thompson Tee Guarantee

30 Day Risk Free Returns

Wear it, wash it and try it. We accept returns or exchanges on all opened or used shirts up to 30 days from purchase date.

Thompson Tee Guarantee

Made in USA

Every phase of production is completed in the USA - from materials to manufacturing. Each undershirt purchase supports U.S. jobs and manufacturing.

Thompson Tee Guarantee

Real Customer Service

No web bots here. We have a team of friendly people ready to answer all of your questions.

Size Chart


XS Chest 32 in / 82 cm
S Chest 34 - 36 in / 86 - 92 cm
M Chest 38 - 40 in / 97 - 102 cm
L Chest 42 - 44 in / 106 - 112 cm
XL Chest 46 - 48 in / 115 - 122 cm
2XL Chest 50 - 52 in / 127 - 132 cm
3XL Chest 54 - 56 in / 137 - 142 cm
XS S M L XL 2XL 3XL
Chest - inches 32 34 - 36 38 - 40 42 - 44 46 - 48 50 - 52 54 - 56
Chest - cm 82 86 - 92 97 - 102 106 - 112 115 - 122 127 - 132 137 - 142

Faqs about our tees

How is the Thompson Tee different from other "sweat proof" shirts?
Original Fit vs Slim Fit: Which one is right for me?
Is the underarm barrier really sweat proof?
How does the sweat proof underarm barrier compare to sweat pads?

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