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Made in the USA

Men's Sweat Proof Long Sleeve Crewneck Undershirt - Pack of 4

Men's Sweat Proof Long Sleeve Crewneck Undershirt - Pack of 4

Sweat Proof Guarantee
Sweat Proof Guarantee
$159.96 $151.96

Please note: individual items cannot be returned; all items in the pack must be included for a refund.

Bundle & Save on Long Sleeve Shirt Packs.

Stay warm, dry and sweat mark-free wherever you go.

Our long sleeve shirt pack is ideal for managing day-to-day cold sweats, wearing in chilly climates or staying comfortable beneath snow gear or sports gear. You’ll never have to worry about wet marks or sweat stains penetrating your outer layers again!

Each pack of long sleeve shirts contains 4 original fit crewneck undershirts featuring Thompson Tee’s patented sweat proof technology.

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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

Free Returns

Wear it, wash it and try it. We offer free returns on all opened or used shirts up to 30 days from purchase date. Individual items cannot be returned; all items in the pack must be included for a refund.

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

The Thompson Tee Original Fit Long Sleeve Undershirt fits like a traditional undershirt. If you want a looser fit, size up one size.

XS Chest 32 in / 82 cm
Sleeve 21.25 in
S Chest 34 - 36 in / 86 - 92 cm
Sleeve 21.5 in
M Chest 38 - 40 in / 97 - 102 cm
Sleeve 21.75 in
L Chest 42 - 44 in / 106 - 112 cm
Sleeve 22 in
XL Chest 46 - 48 in / 115 - 122 cm
Sleeve 22.25 in
2XL Chest 50 - 52 in / 127 - 132 cm
Sleeve 22.5 in
3XL Chest 54 - 56 in / 137 - 142 cm
Sleeve 22.75 in
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
Sleeve Length - inches 21.25 21.5 21.75 22 22.25 22.5 22.75

Faqs about our tees

How is the Thompson Tee different from other "sweat proof" shirts?
Can you wear the long sleeve undershirt for sports or workouts?
Does the long sleeve undershirt work as a base layer?
Does the long sleeve undershirt sweat proof technology differ from the short sleeve undershirt technology?
Is the underarm barrier really sweat proof?
How does the sweat proof underarm barrier compare to sweat pads?

Reviews