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The Ejis Sweat Defense Undershirt is a premium V-neck undershirt engineered with 120 sq. inches of sweat-proof coverage using ultra-soft micro modal fabric enhanced with silver-infused anti-odor technology. Designed for professionals who demand comfort, odor control, and a sleek fit that stays tucked, this undershirt offers a reliable, breathable, and durable solution to underarm sweat and odor, elevating your confidence and appearance all day long.







| ASIN | B01BL6HY5A |
| ASIN | B0GQCZLB9J |
| Age Range Description | Adult |
| Apparel Closure Type | Pull On |
| Apparel Fabric Stretch | High Stretch |
| Apparel Fabric Weight Class | Lightweight |
| Back Style | T Back |
| Best Sellers Rank | #144,034 in Clothing, Shoes & Jewelry ( See Top 100 in Clothing, Shoes & Jewelry ) #154 in Men's Undershirts |
| Brand Name | Ejis |
| Color | White |
| Cuff Type | Plain Hem |
| Customer Reviews | 4.6 4.6 out of 5 stars (1,375) |
| Date First Available | February 26, 2026 |
| Department | mens |
| Fabric Stretchability | Stretchable |
| Fabric Type | Modal |
| Fit Type | Slim Fit |
| Fit to Size Sentiment | Positive |
| Import Designation | Imported |
| Item Length Description | Standard Length |
| Item Weight | 1 Pounds |
| Manufacturer Part Number | 201603 |
| Material Type | Spandex |
| Model Name | Undershirt |
| Neck Style | V-Neck |
| Occasion Type | Vacation |
| Pattern | Solid |
| Product Care Instructions | Machine Wash |
| Seasons | All |
| Shirt Form Type | T-Shirt |
| Sleeve Length Description | Short Sleeve |
| Sleeve Type | Short Sleeve |
| Sport Type | Walking |
| Style Name | Undershirt |
| Style Number | 201603 |
| UPC | 641022985724 |
| character | Sports |
| collar-type | Collarless |
D**L
Stop delaying, order now! You'll be glad you did!
These shirts are incredible! I've hesitated for a while on purchasing due to cost (for an undershirt!). I bit the bullet and purchased two, now I will be ordering more! Looking back through my photos I can often see the sweat areas under my arms, to include on my suit jacket in photos on me proposing to my wife 15 years ago. I now have hope for an end to those issues. The shirts are soft, super soft, almost silky. When I first saw them I feared it would feel like wearing a shirt with bulky pads that would be noticeable through my dress shirt. At first wearing I noticed the absorbent pad, but soon it was barely noticeable. I'm not saying it shape shifts to mold to your body, but something happened and it suddenly wasn't bulky after a couple minutes. No issue with being noticeable under my dress shirt. I ordered the large V-neck so I could also wear while in my military uniform. Here are a couple of comparisons to a standard cotton blend V-neck undershirt (with included pictures). The Ejis V-neck is deep, I don't know anyone would need their "Deep V" because the Ejis standard V is much deeper than a standard V-neck. The Ejis is also much longer in the torso. I personally like this because I hate when an undershirt rides up higher than my dress shirt. The shirt is not tight, but snug, similar to a sports apparel performance athletic shirt (think UA or the "just do it" brands). Again, I like this feature as it prevents bulkiness under a dress shirt or uniform shirt. Sizing was a little larger than I expected. I'm the body type that hovers between medium and large depending on the brand. For Ejis size large they have the following: neck 16-16.5, sleeve 35-36, chest 41-43. I wear a 16" neck dress shirt with 34-35" sleeves and a 42" coat. I have wide shoulders/chest and don't like shirts getting tight across the back when I cross my arms and went with the large. In my comparison photos I'm wearing a Jockey's brand large V-neck undershirt. The shirt feels slightly larger than I expected, and with the "stretchability" of these shirts I might try a medium on my next order to compare. Looking professional is critical to my job, whether it's briefing aircrew prior to a flight, or representing the top echelon of our government. Sweaty armpits are a visual distraction to the audience, an embarrassment for the speaker, and present an unprofessional appearance. Thanks to Ejis, this will no longer be an issue or concern for me. If you often experience soak through on your shirts, hesitate no longer and order today. You'll be glad you did!
D**.
TL;DR It works phenomenally.
Since adolescence, I have had an issue. I sweat EXCESSIVELY under my armpits. I'm not even an overly heavy guy or anything. I just sweat under my armpits excessively. Everything I've done to make it stop has failed. Prescription strength antiperspirant, diet change, napkins under my armpits; you name it, I've probably tried it. So, I've just learned to live with it. I wear shirts that hide it to a degree, but it's still visible. I wear over shirts, but eventually I sweat through to them. I wear hoodies and sweaters over said over shirt, but, again, eventually, not even a half way through my day, I'll sweat through to them. It's stained almost every single shirt I own. I've had to throw out and re-buy my entire work-shirt catalog more times that I care to admit. Last week, I bought this shirt. Let me just say this one thing. It works. I'm not joking when I tell you it's changed my life INSTANTLY. Zero moisture has soaked through. None. Nothing. For the first time since my teen years, I feel like a normal person and not a freak. It's something I cannot describe. I've washed it every night just so that I can wear it every day. I plan on buying more. This is seriously the best purchase I've ever made. My only regret with this product is not finding it sooner. If the people who make this product are reading this, just know that I thank you from the bottom of my heart. I hope anyone who has similar issues to me finds this, because it has changed my life.
J**T
Finally– A Solution!
Finally!!! After years of hunting, I've found a reliable, affordable, comfortable, and hassle-free solution to sweating in professional attire. I'm just one of those unfortunate people who sweats a lot– like... an unnatural amount kind of 'a lot.' People always think I'm kidding when I tell them, but I just sweat constantly. I sweat while sitting at the computer. I sweat will sitting in the car. It doesn't take physical activity for me to sweat. (And trust me, when I do workout, it's tenfold worst.) For some reason, I just sweat nonstop! For years, I always tried to deal with the embarrassing dilemma of sweating in dress shirts. At work. At weddings. Interviews. It never failed. I'd end up with embarrassing sweat stains in the armpits. I tried adhesive underarm guards. I tried wearing multiple shirts. I tried over-the-counter 'anti sweat' treatments. Nothing worked effectively, and the things that came close were expensive and hassle some (e.g. disposable arm pads). When I stumbled upon Eji's (formerly Aussie Armor), I was skeptical. After I ordered my first shirt, I never looked back! By far, this has been one of the best purchases of my life. I've now ordered numerous shirts to cover various days of the weeks and special occasions around my laundry schedule. It's great! These things are affordable, comfortable (like, SUPER comfortable), and they're so simple. I highly recommend these to anyone with the unfortunate problem I have. These are the thing you've been looking for. TRY THEM!
A**Z
للي يعاني من التعرق لما يلبس ثوب او قميص بالعمل هذا ممتاز راح يمنع العرق يوصل للملابس انصح فيه
S**R
Absolutes Top Produkt für alle, die unter Hyperhidrose / übermäßigem Schwitzen leiden. Ich kann seit diesen Shirts endlich mal Farben tragen und nicht nur weiße Oberteile. Man sieht auch bei übermäßigem Schwitzen absolut keine Schweissränder. Ich bin mehr als begeistert.
S**E
Product came quick. Fits perfect, is comfortable and can't see under work shirt. Absorbs fantastically. I'll buy more soon as I got 2 to see if they were good.
A**R
Ich bin begeistert und habe inzwischen weitere Unterhemden nachgekauft. Endlich kann ich farbige und helle Hemden tragen - prima Produkt!
A**I
Excellent at blocking sweat and the material quality is much better than other brands that do the same. After more than a few washes the material still retains its elasticity and quality.
Trustpilot
5 days ago
1 month ago