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
As the manufacturer states, this is the only hyperhidrosis undershirt with sweat-proof back. It is highly effective in preventing sweat from seeping through your dress shirt, allowing you to maintain crisp and neat appearance even in the tropical climate.
Must buys for anyone who wants to save their dress shirts from inevitable sweat stains.
Son suffers from hyperhidrosis that mostly affects his back. He wore the shirt under his dress shirt for a wedding and it worked great! He was able to take his suit jacket off while dancing and his dress shirt wasn’t soaked!
Great shirt!!!! 100% satisfied. I am a heavy sweater. These shirts keep my uniform shirts and regular shirts dry. I can confidently wear something other than black now. If you are in doubt, don’t be, buy these shirts, THEY WORK GREAT!!!!
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
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