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🕴️ Stay dry, fresh, and unstoppable—your secret weapon under every shirt.
The Ejis Sweat Defense Undershirt is a slim-fit, crew neck undershirt made from high-quality pre-shrunk cotton featuring silver-infused anti-odor technology and super premium micromodal sweat pads that are twice as soft and 50% more absorbent than regular cotton. Designed to provide 120 square inches of sweat-proof coverage, it prevents underarm sweat marks and yellow stains, keeping dress shirts dry and fresh throughout the day. Machine washable and crafted with ergonomic raglan seams, it offers superior comfort and durability for professional wearers seeking confidence and style.










| ASIN | B071X15SST |
| Age Range Description | Adult |
| Apparel Fabric Stretch | Low Stretch |
| Apparel Fabric Weight Class | Medium Weight |
| Back Style | T Back |
| Best Sellers Rank | 339,737 in Fashion ( See Top 100 in Fashion ) 255 in Men's Undershirts |
| Bikini top style | Crew neck |
| Brand Name | Ejis |
| Care instructions | Machine Wash and Dry |
| Closure Type | Pull On |
| Closure type | Pull On |
| Collar Style | Crew Neck |
| Colour | White |
| Cuff Style | Plain Hem |
| Customer Reviews | 4.3 out of 5 stars 1,159 Reviews |
| Fabric Stretchability | Non-stretchable |
| Fabric Type | 100% Cotton |
| Fit to Size Sentiment | Positive |
| Fitting type | Slim Fit |
| Garment Size Country | United States |
| Item Length | Standard Length |
| Item Type Name | Undershirt |
| Manufacturer | Ejis |
| Manufacturer Part Number | 201814 |
| Material Type | Cotton |
| Material composition | Cotton |
| Model Name | Crewneck |
| Model Number | 201814 |
| Neck Style | Crew Neck |
| Neck style | Crew Neck |
| Number of Items | 1 |
| Occasion Type | Birthday |
| Occasion description | Business |
| Pattern | Solid |
| Product Care Instructions | Machine Wash and Dry |
| Seasons | Autumn-Winter, Spring-Summer |
| Shirt Form Type | T-Shirt |
| Sleeve Length Description | Short Sleeve |
| Sleeve Type | Short Sleeve |
| Sport Type | Walking |
| Style Name | Undershirt |
| UPC | 655043604984 |
| Unit Count | 1.0 count |
| character | Sports |
P**.
Fantastic at reducing sweat overflow
Only recently discovering these anti sweat items for sweaty people like me. Absolutely fantastic, my only gripe is that it is a LOT longer than I expected. However it goes above and beyond what I hoped for!
G**Y
Works well
Fit was a bit tight, my fault not the sellers. But it definitely does the job. Haven't had marks once when wearing it and not noticeable under my shirts. Would not mind if more stretchy but overall good product.
A**H
Excellent undershirt!
Really good undershirt, I bought this one after using the modal ones. This one is slightly tighter fitting than the modal version. Still excellent and really recommended. I think I prefer the modal ones. But this does come in a bit cheaper in cost.
B**N
No more embarrassing stains
If you suffer from anxiety and sweaty arm pits then this is the product for you. I struggle with this exact problem and was I was really conscious about my sweaty arm pits whilst out with friends and at work. After trying various Stress beating antiperspirants or stick on pads (none of which worked) I searched for another way to hide this embarrassment. I found these and ordered a single one to try. BINGO. What a result! I immediately ordered another 6 and have never been embarrassed again. I can put my hands behind my head with confidence or reach up without hoping non-one is watching. If this sounds like you as well, then this is what you need
A**L
Highly recommended product !
Not a bad product however the pads around armpit are too heavy and stand out when wearing a shirt. Other than that it’s a good t shirt to stop sweat from showing.
J**X
Wearable Confidence!
While the company’s slogan “wearable confidence” could be seen as a bit silly. It has some validity. I am a long term user of ejis products as I suffer from excessive sweating. I used to import them from America before they came to amazon UK (thank god). I’ve found that no one beats them in this market. Granted this market isn’t massive, especially in the uk, but I don’t think anyone else provides the same level of comfort and sweat protection. If you’re like me and suffer from excessive sweating then you won’t be disappointed.
M**H
GREAT!
I thought some of the reviews were exaggerating since this was my first purchase but if you sweat a lot like me this’s your go to solution! Definitely buying more
J**N
Prevents sweat stains well
Excellent at preventing sweat stains on shirts. Even when sweating heavily there is zero sweat that comes through on the outer shirt. Made with nice soft material that is very stretchy, almost like a sports skin. Needs to be washed after every use to ensure no bad odour remains from the sweat so stock up on these if you require these on a daily basis.
A**Y
Prevents 100% of underarm sweat from seeping through your shirt.
It works perfectly. Especially in my location its common to sweat due to the heat, however these shirts made me more comfortable with not worrying about underarm sweat marks. Highly recommended
O**O
Résistant à la sueur... effectivement !
La sueur ne passe pas. Très bon rapport qualité prix. Le tee-shirt est long.
C**C
Works great, but a little awkward.
I wanted to add some photos of the shirt after working eight hours today moving furniture and wearing this sweatproof tee for the first time, but Amazon wants access to every photo and access to every part of your personal files, so I won’t upload the photos. The Ejis sweatproof tee worked well. You’ll see sweat on the under arm area on the inside of the T-shirt (against your pits) when you take it off, and you can feel the sweat building up under your arms, but it did NOT seep through the T-shirt into the outerwear. It doesn’t seep through at all. Long story short, if you’re just trying to stop sweat stains from appearing in the under armpits of your work clothes or anything else, this will work. The fit and the cut is very awkward, and the pad area under the arms. It’s kind it bunchy and weird at first. But for me, I just want to stop the massive visible sweat stains in the pits, and this does that, so I’m happy with the shirt. It makes me feel so much better and free to lift my arms without worry. This shirt is super long, meant to be tucked in and worn UNDER clothing you don’t want stained. I’ve seen people complaining about these shirts that you can’t wear them just as a T-shirt and that is not the point of these shirts. They are meant as UNDERSHIRT to block sweat from the outer clothes. Not be stylish to be worn just as a T-shirt out in public. There are pads under the arms and they’re NOT meant to be worn as just a T-shirt. It’s an undershirt to stop underarm sweat STAINS.
G**O
davvero utile
ottime per quei casi dove la sudorazione può diventare un problema estetico, camicie in primis, ma anche per non rovinare maglie, felpe, polo, che assorbono il deodorante anti traspirante, che assume una consistenza "gommosa", in certi casi fino a rendere i capi inutilizzabili, il costo è elevato ma è giustificabile dal tessuto e dalla particolarità del capo stesso. Non possono mancare nel guardaroba, in quanto le altre soluzioni come "Till flai" un assorbente da appiccicare nel tessuto trà ascelle e maniche,sono di difficile posizionamento e pur avendo l'adesivo, spesso non rimangono dove devono stare, la sensazione di umido non è piacevole, l'adesivo non fa il suo dovere e non attaccano su certi materiali, anzi portano via fibra con l'adesivo.
G**O
Awesome product
Awesome product
Trustpilot
1 month ago
1 month ago