The Original Thompson Tee Sweat Proof Undershirt
Our classic, best selling men's crew neck undershirt features patented sweat proof technology that stops sweat in its tracks. Say goodbye to sweat marks, stains and underarm odor!
Thompson Tee sweat proof undershirts are backed by our sweat proof guarantee.
Wear the Thompson Tee original fit crewneck beneath your outfits and gain the confidence to tackle any sweaty situation without fear of wet marks!

Patented, Sweat Proof Technology
Proprietary design stops sweat from showing through your underarms — period.
Center seam with separate front and back sweat panels for a sleek, tailored fit and feel.
Sweat proof technology won't wash out or lose effectiveness over time. Prevent pit stains day after day, wash after wash.

Ultra-Soft, Premium Cotton
The Thompson Tee original fit crew neck undershirt is made of 100% premium combed cotton for a comfortable and luxurious feel. (Heather Grey is 90/10 cotton/poly.)
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.
Machine washer and dryer safe
Machine wash Thompson Tee sweat proof undershirts in cold or warm water and dry on medium (or lower) heat.

Long, Tuckable Length That Stays Put
Move through your day freely. Our men's original fit crew neck undershirt has a long, tuckable length that stays in place all day. So go ahead and wave those arms around!