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Made in the USA
Men’s Sweat Proof Long Sleeve Undershirt - Original Fit Crewneck
Our men's long sleeve undershirt combines a luxury undershirt's best features with patented sweat proof technology that stops armpit sweat in its tracks.
This men's long sleeve cotton t-shirt is perfect for managing cold sweats or helping you stay dry and comfortable under layers or sportswear.
Wear the Thompson Tee long sleeve undershirt beneath your favorite hoodie, snow jacket, button-down, uniform or scrubs to add an extra layer of warmth and keep your pits dry.
Our long sleeve undershirt boasts the same sweat proof technology you know and love, just made for colder weather.
The Thompson Tee long sleeve undershirt has the same fit and feel of a traditional undershirt.
Proprietary design blocks sweat from pentrating clothing and showing through your underarms.
Center seam with separate front and back sweat panels for a sleek, tailored fit and feel.
Patented Hydro-Shield sweat proof technology won't wash out or lose effectiveness over time. Prevent pit stains day after day, wash after wash.
Our long sleeve undershirt is made from a blend of premium Supima cotton and Micromodal for a smooth, luxurious feel.
Itchy, scratchy tags are a thing of the past. Our tagless design ensures the long sleeve undershirt lays flat with no unsightly bunching.
The Thompson Tee long sleeve undershirt can be machine washed in cold or warm water and dried on medium (or lower) heat.
Move through your day freely. Thompson Tee's long, tuckable length stays in place all day. So go ahead and wave those arms around!
We're serious when we say no more pit stains. We guarantee sweat won't penetrate the underarm barrier -- or your money back!
Wear it, wash it and try it. We offer free returns on all opened or used shirts up to 30 days from purchase date.
Every phase of production is completed in the USA - from materials to manufacturing. Each undershirt purchase supports U.S. jobs and manufacturing.
No web bots here. We have a team of friendly people ready to answer all of your questions.
The Thompson Tee Original Fit Long Sleeve Undershirt fits like a traditional undershirt. If you want a looser fit, size up one size.
Chest 32 in / 82 cm
Sleeve 21.25 in
Chest 34 - 36 in / 86 - 92 cm
Sleeve 21.5 in
Chest 38 - 40 in / 97 - 102 cm
Sleeve 21.75 in
Chest 42 - 44 in / 106 - 112 cm
Sleeve 22 in
Chest 46 - 48 in / 115 - 122 cm
Sleeve 22.25 in
Chest 50 - 52 in / 127 - 132 cm
Sleeve 22.5 in
Chest 54 - 56 in / 137 - 142 cm
Sleeve 22.75 in