Best Sweat Proof Undershirts for 2023

Are you ready to get serious about sweat management? If you're looking for the best undershirts for sweat, you've come to the right place. Undershirts are a natural, non-invasive way to prevent sweat marks and protect your clothing against stains from sweaty armpits.

However, not all sweat-absorbing undershirts are created equal – each brand designs its shirts to meet different needs. Therefore, it’s best to know what you’re looking for before you begin your search.

How to Choose the Right Sweat Proof Undershirt for You

First, take a moment to think about what you’re looking for in a sweat proof undershirt. Here are a few critical factors to consider when putting any sweat proof shirt to the test:

  • Sweat proof technology: You want your undershirt to work properly – no sweat marks or pit stains, period. Ensure you're shopping for shirts that are actually sweat proof and absorbent — not just 'moisture wicking' or 'sweat resistant.'
  • Price: You want high quality without paying an arm and a leg.
  • Design, fit and length: Undershirts and T-shirts are wardrobe staples that should fit well and hold up to daily use and washing. If you’re wearing the garment as an undershirt, make sure it’s comfortable under your clothes and stays hidden with different tops and necklines. It also needs to be long enough to stay tucked in.
  • Return policy or guarantee: Prioritize brands that offer flexible return policies. When choosing a sweat proof undershirt, you’ll want to wear it and wash it before deciding if it’s right for you.

Assessing your needs first will help you decide which undershirts will best suit you.

The Best Sweat Proof Undershirts

Here’s our roundup of the best sweat proof undershirts for women and men to help you stay dry and elevate your confidence.


Thompson Tee - Best Sweat Proof Undershirt

Did you know that Thompson Tee is the only patented sweat proof undershirt on the market? Its Hydro-Shield® technology absorbs moisture and releases it as vapor, keeping your clothing dry by stopping sweat from seeping through to your outer layers.

Other sweat proof undershirts are treated with sweat-wicking chemicals that wear off quickly or have removable armpit pads that slide easily and produce more heat. Customers like how Thompson Tees’ sweat proof barriers are built directly into the armpits, enabling long-lasting sweat and stain protection wash after wash.

Thompson Tee is rated #1 by and has been ranked highly by Business Insider since 2018.

Price: $32.99 and up


  • Crewneck, v-neck or deep v-neck styles for men and scoop neck styles for women
  • Various styles available (original, fitted and long-sleeved)
  • Longer shirt length

Choose Thompson Tee If:


Sweatshield Sweat Proof Undershirt

Sweatshield undershirts feature sweat proof armpit and back barriers to trap moisture and neutralize odor in people who sweat a lot. Sweatshield undershirts are versatile, comfortable, and easy to layer.

Price: $28.99 and up


  • V-neck and crewneck anti-sweat undershirts for men and scoop neck undershirts for women
  • Micromodal fabric with keep-cool technology
  • Tagless and lay-flat collar

Choose Sweatshield If:

  • You experience heavy back sweating
  • If you live or work in a hot environment


ItsDri Sweat Proof Undershirt

ItsDri shirts utilize a three-layer system to trap sweat. The fabric is also infused with copper to help eliminate odor and bacterial growth.

ItsDri sweat proof shirts are designed to be extra long (up to three additional inches) and are slim-fit only. Reviews indicate that ItsDri shirts run small, so size up for a better fit.

Price: Around $35


  • V-neck style for men and scoop neck style for women
  • Made with Lenzing Modal and Spandex for a body-hugging, slim fit
  • Extra long to stay tucked in

Choose ItsDri If:

  • You have a long torso
  • You have a slim build


Ejis Sweat Proof Undershirt

Ejis undershirts feature a one-piece waterproof layer and antimicrobial technology to fight sweat and odor. Available in cotton or a micromodal and Spandex blend.

Ejis’ product lines include undershirts for back sweating, sweat proof boxer briefs and anti-odor socks.

Price: $32.99 and up


  • Crewneck, v-neck or deep v-neck styles for men and scoop neck styles for women
  • Moisture-wicking micro modal pads infused with silver to fight odor
  • Long, tuckable length and slim fit style

Choose Ejis If:

  • You experience excessive sweating on your back, groin or feet
  • You prefer slim-cut designs
  • You have a long torso


Numi Sweat Proof Undershirt

Numi is the most expensive women’s sweat proof shirt brand, making “high performance clothes that solve life's little pain points.”

Offering a variety of undershirts for women, Numi’s selection includes scoop necks, crop tops, cap sleeves, 3/4 sleeve shirts, long sleeve shirts and mock neck sweaters.

Price: $60 and up


  • Sweat-Secret™ Fabric Technology panels to block underarm sweat
  • Form-fitting, slim-fit style available in several colors
  • Seamless sleeves

Choose Numi If:

  • You’re looking for an elevated woman’s sweat proof shirt
  • You prefer reversible necklines for versatility
  • You don’t mind paying a premium for product variety


NanoDri Sweat Proof Undershirt

NanoDri creates sweat proof undershirts and sports shirts for men and women. Their shirts feature a sweat-absorbent inner layer and sweat-repellent outer layer that dries quickly and wards off bacteria and fungus.

Labeled as an “all-over sweat blocking solution,” the NanoDri sweat undershirt features sweat protection in the underarms, back, front and sides of the shirt.

Note: Return postage is not paid for size exchanges, so purchase cautiously.

Price: $39.99 and up


  • Crew neck and v-neck styles for men and scoop neck style for women
  • Other products include sport shirts, polo shirts, button-down shirts and shoe insoles
  • Longer shirt length

Choose Numi If:

  • You want sweat protection for multiple parts of your body
  • You have a longer torso


Hanes Cool DRI Shirt

Hanes Cool DRI shirts are geared toward those who sweat while working out or playing sports. These anti-sweat shirts feature odor protection technology to guard against bacteria that can make your clothes smell.

These technically aren't sweat proof undershirts, but at around $10 a piece, they're highly affordable and worth wearing for days that aren't big sweat events.

Price: $7.98 and up


  • Men’s, women’s and kid’s styles
  • Multiple colors and styles
  • Quick-drying fabric

Choose Hanes If:

  • You need an undershirt for light sweat and odor protection
  • You need a low-cost undershirt
  • You like a wide variety of colors to choose from


Kleinert's Sweat Proof Undershirt

Kleinert's sweat proof undershirts are made with 100% cotton. In addition, they feature sewn-in integrated sweat shields made with cellulose bamboo and a urethane waterproof barrier to absorb pit sweat. Kleinert’s also carries a line of sweat proof underwear and incontinence products for men and women.

Price: $31.99 and up


  • Men’s and women’s styles in short and long sleeves, dress shirts and polo shirts
  • Patented underarm shields
  • 2-inch extra length and stretch

Choose Kleinert If:

  • You prefer removable sweat pads
  • You want antibacterial fabric
  • You need all-over sweat protection


Neat Apparel Sweat Proof Undershirt

Neat Apparel undershirts feature a blend of moisture-wicking fabric and sweat proof technology that promise to protect you from looking sweaty from the inside out.

Neat’s technology captures excessive sweat and body odor, spreading moisture inside the garment and helping it dry faster.

Note: Neat’s undershirts should not be worn as t-shirts, as they may "look" wet even if completely dry.

Price: $29.99 and up


  • V-neck and crew neck undershirts for men and scoop neck and v-neck undershirts for women.

Choose Neat Apparel If:

  • You prefer a fitted undershirt
  • You want a fast-drying undershirt


Social Citizen Sweat Proof T-shirt

Social Citizen T-shirts have hidden adjustable pads in each underarm, allowing you to wear this garment as either an undershirt or a standalone T-shirt. There are no visible seams on the outside, so at first glance, it's not apparent that this is a sweat proof shirt.

Price: $36.00 and up


  • Crewneck, v-neck and deep v-neck styles for men; crewneck, v-neck, deep v-neck and scoop neck styles for women
  • No visible seams in the underarm area, but reviewers say that this causes the padding to move around and be less effective at absorbing sweat.

Choose Social Citizen If:

  • You prefer removable or adjustable pads
  • You want an undershirt you can also wear as a t-shirt

Thompson Tee: The Best Undershirt for Heavy Sweating

The sweat proof undershirts we vetted are rated highly for combating excessive underarm sweat. But ultimately, Thompson Tee is the frontrunner in sweat proof technology, style options, material and quality.

The Thompson Tee is made with natural, breathable fabrics that are much more effective at absorbing sweat and fighting odor versus synthetic fibers like polyester or nylon. Plus, it's the only sweat proof undershirt with a patent for its highly effective Hydro-Shield® technology.

When it comes to versatility, Thompson Tee offers a wide variety of sweat proof shirts for men and women and has several color options compared to other brands on this list. Most importantly, Thompson Tee is one of the only sweat proof undershirt brands that offer a risk-free trial period and satisfaction guarantee.

Try a Thompson Tee today! Shop men’s and women’s styles now.