“Thompson tee is the best undershirt to protect your shirt from sweat stains and marks,” he ... Tuck’ design makes it practically budge-proof, while its slim fit provides a smoothing layer ...

These undershirts have what's essentially thick pads sewn into the underarm area to help eliminate any sweat that might pass through and reach your regular clothing. The brand says the pads are ...

YMMV depending on your build. For reference, I’m 5’6″, 135 lbs. If you want a t-shirt or undershirt with sweat proof technology that’s made in the USA with quality fabrics, Thompson Tee is ...