




💼 Flatten your chest, elevate your confidence — invisibly.
The Underworks Men's Flats Tank Top is a high-performance chest binder designed with two medical-grade compression layers to provide maximum flattening and support. Crafted from a durable 70% nylon and 30% spandex blend, it offers a comfortable, flexible fit across eight sizes (XS to 3X) to suit all body types. Its low neckline and flat-stitched design ensure it remains undetectable under clothing, making it the go-to choice for professional, active men seeking confidence and discretion. Proudly made in the USA, this binder combines durability, comfort, and style for everyday wear.






| ASIN | B0FNCYMZ3Z |
| Best Sellers Rank | 232,921 in Fashion ( See Top 100 in Fashion ) 270 in Men's Activewear Sleeveless Tops |
| Customer reviews | 4.2 4.2 out of 5 stars (1,430) |
| Date First Available | 18 Mar. 2011 |
| Department | Men's |
| Item model number | 997 |
S**E
Definitely recommend
Have bought a few of these over the years as they are comfy and good value for money. I have a size 50 chest and find an XL size is the perfect fit. The large is quite tight. Made from good quality material and hides and contours body.
J**R
Good, best binder out there
Underworks binders are by far the best out there. Most other binder brands only make you flat for a few weeks before stretching out and leaving you with a binder bump, but these dont, they are good quality, decently comfortable and they work, they are the flattest you can get without surgery. Id 100% recommend measuring your self and checking the actual sizing on the Website for the item as its wrong on Amazon.
C**T
Completely flat
I'm I'm big guy with a big chest my old binders either don't fit or are now to big as I've lost a lot of weight this is the first time I've used underworks for binders and it's fantastic it's the only binder I have had that has made me completely flat chested I love it.
W**L
A bit disappointed
The side of the straps cut into your skin, not as comfortable as gc2b binders as for compression I'd say they are the same, I'm 160cm-165cm and 55kg and got a size small for a tight enough fit. Not good for working out because of the straps on the sides.
R**D
Unhappy
Got a hole in less than a week of wearing. Extremely unhappy
W**N
These shirts do the job!
S**D
I am FTM, and I have ordered these numerous times now; nothing else on the market quite like these. They take some adjusting to, but I love how I feel and how they fit; they assure my confidence and give me the look I feel like I should see when I look in the mirror. I'll use this brand until I have my chest reconstruction, then I'll recommend it to anyone who may need them.
S**N
I wanted to wait for some time and actually wear this a while before I reviewed it. It's honestly the best binder I have found to date. My only complaint is that the arm holes are quite large. Being a chubby person, sometimes the holes are large enough that some of my fluff kinda isn't smoothed down and I find myself adjusting it one or two times a day. But no big deal really. Quality product, and 100% worth the price! Great value, best I have found. I actually like this more than the more expensive GC2B or whatever.
A**R
This is the best compression/binder shirt I have come across. I am a big chested man. To the point that when I wear thin shirts I should probably wear a bra. My favorite season is fall bc it’s hoodie season. Before I purchased these I bought the Shaperluv brand and they were complete garbage. I purchase a few other off name brands and they were also garbage. As soon as I put these on my chest shrunk significantly. To the point that I can now wear a dry fit thin material and have such confidence bc I don’t feel like everyone is staring at my moobs. Yes these are snug. And honestly a bit difficult to get on your first time. And they were the most expensive I have purchased so far. But these are amazing. They seriously hide your chest and stomach. They gave me such a confidence boost. The material is weird. But it’s soft and smooth. I recommend getting the size of your shirt(2xl shirt-2xl binder-in this brand at least-I also bought an xl and I couldn’t even get it around myself hahaha). DEFINITELY GET THIS BINDER. YOU WONT BE DISAPPOINTED. I LOVE IT AND I AM PURCHASING MORE OF THEM IMMEDIATELY.
P**A
Como alguien que es llenito y tienen pecho grande, Tengo que decir que la talla XL que adquirí hizo un muy buen trabajo! La tela es cómoda y respira. Aunque pone presión en tu pecho y caderas, no duele o se siente incomodo, tampoco se siente sofocante ni pica! Excelente compra! Probablemente la siguiente vez que compre sea talla L ya que la XL me quedo un poquito grande, pero aun así estoy muy satisfecho con el producto!
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