Classic Look for a Better Day.
Sweatshield Undershirts invented and is still the only manufacturer and retailer of an undershirt designed and dedicated to helping with back sweat.
Our V-Neck undershirt with an impenetrable sweat-proof barrier in the back is guaranteed to stop sweat marks for even the most serious back sweaters.
Whether you suffer from hyperhidrosis, have compensatory sweating due to surgery, or just find yourself with more perspiration than you're comfortable with, we are here to help.
We've built the best shirt in the world for keeping sweat from showing through to your dress shirt, your polo, or your casual wear, whether you're making a presentation, going on a date, or just spending time with your family. Our technology stops sweat marks and keeps you cool, comfortable, and confident the entire day. These look and feel like a premium brand, and you can wear them knowing that you'll feel and look dry all day.
Prefer a Crew Neck (Rounded Neck) Design? Check out our Sweatproof Crew Neck instead!
Customer ReviewsWrite a review
Honestly it works exactly as advertised, zero marks whatsoever and I rip through shirts. I am a medical student and this saves me serious embarrassment
The undershirts are amazing! So comfortable and don’t feel any sweat at all
I was sceptical at first but it was a good investment and will be buying more soon. I just wish they came in black for all of their shirts, but it's no biggie.
This product works perfect. I work in the sun with Funerals and my back would sweat uncontrollably and my suit would be soaked by half way through a service. Thanks to this product no wet suits anymore.
I work outside all day & am always embarrassed by having my shirts drenched in visible sweat. These shirts have really helped me feel more confident. Thank U & I highly recommend these shirts !!!
I've had pretty bad back sweat for a while, and every other product I saw was only for underarm sweat. This undershirt allowed me to wear non dark colored clothing again
I swear if I even think of being hot, and the back of my shirts are pretty consistently wet. I work outside and in a poorly cooked office, and this makes me look much more professional and not like I just got out of a swimming pool. The sweat proof back ends a bit higher than I really need it to, but it gets the job done.
I am a very heavy sweater and have awful hyperhydrosis on my back during any activity. These shirts have been a serious lifesaver! Nobody can tell I have such a sweaty back, and they hold up regardless of climate or what I am wearing. I have tried several other brands that claim to do the trick, but none have come close compared to this one. The customer service is also very friendly and prompt! I am now a lifelong customer.
Able to wear colored dress shirts with confidence and without a sweater or jacket with these undershirts! Ordered a bunch more as these are now the only ones I’ll be wearing.
Long history of excessive back sweating - nowhere else, it’s kind of odd. In any case, Seatshield’s product is the first tee shirt I’ve purchased from a vendor who specializes in keeping hyperhidrosis activity at bay. To that end, it’s lived up to its promise in my opinion. In me, they’ve gained a new lifelong customer. Many thanks for helping increase the quality of my life by markedly decreasing my vexing back hyperhidrosis.
Men's Size Chart
Choose V Neck for use with polo shirts, t-shirts, casual shirts and business shirts when you want to wear them open collared (unbuttoned).
Choose Crew Neck for a sharp undershirt neckline with an open collared shirt. If wearing a buttoned up collar with a tie then crew neck will make the undershirt neckline less visible.
Men's Boxers Size Chart (inches)
Women's Size Chart