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Ultimate Chest Binder Tank undetectable under clothing
Underworks Compression Level Chart
The Ultimate Chest Binder Tank is an extreme compression garment which provides chest and mid-section compression for full binding effect.
- HOW TO WEAR: Hold both straps of the shirt and step into the garment. Pull up the garment and slide arms through armhole and adjust for comfort.
- HOW TO CARE Wash in cold water, gentle cycle, tumble dry low or flat dry. No bleach, no iron.
Underworks Ultimate Chest Binder Tank
You Deserve The Body You Want
Everyone deserves to have a body image they can be proud of, and we’re ready to help you achieve that with comfortable, effective compression undergarments.Order your compression tank top from Underworks today.
- Fabric Composition: 70% Nylon / 30% Spandex
- Construction: 2-layers front and 1-layer back
- Fabric Against Skin: Powernet: 70% Nylon 30% Spandex
- Style: Full Tank
- Made in USA
SIZING CHART: Ultimate Chest Binder Tank
Chest measurement (in inches)
- X-small: 29 - 31
- Small: 32 - 35
- Medium: 36 -39
- Large: 40 - 43
- X-large: 44 - 47
- 2X: 48 -51
- 3X: 52 - 55
- 4X: 56 - 59
SIZE CHART
MEASURE YOUR CHEST
With arms down on side, take a snug measurement around the fullest part of your chest over the nipples.
NiNJedi
August 25, 2025
I am FTM, so I purchased this for binding purposes. Also, for reference purposes, I am a 38C 1/2. I ordered the extra large binder. This will also offer a comparison to GC2B binders. If that’s you jive and you’re buying this for that purpose, here’s what I can tell you:-If you have worn GC2B binders before (which I have), the material is not like their material. The material is a little more stiff, but softens over time.-This does work well for folks with larger chests. With the other brand mentioned, I found that it didn’t provide me with the flatness I wanted. Their material has more give to it, but this is a FULL binder. Meaning it will help flatten you stomach a bit as well, which makes me feel more comfortable compared to the other binder mentioned.-It’s long, so don’t worry about it riding up. It may for some folks, but it’s long enough for me that I can tuck it into my pants comfortably.-It will cut into your shoulders and armpits for a bit. If you wear binders, you already know that the struggle is real when it comes to binders in that area.I have nothing negative to say about this binder whatsoever aside from the fact that it’s a little loose or “baggy†(around the neck area and armpits) in places, but that’s typical with binders since each size fits every chest and person differently. Plus, you know the drill if you bind. It’s a process. I would definitely purchase another binder like this. I feel less dysphoric in this one compared to the GC2B brand. I was constantly adjusting.
Sky
August 24, 2025
I’ve had a few binders in the past. Two gc2b binders and recently a spectrum binder. I gained about 60 pounds from being on bc and unfortunately that also affected my chest size. The spectrum binder fits similarly to the gc2b binders but honestly didn’t provide the level of compression and flatness I was looking for. I honestly felt hopeless in finding a good quality binder for my chest size. I did some digging online and found that this binder works wonders for people with larger chests. The feeling of the fabric was a bit off putting but once I had it on it flattened me so much and it honestly didn’t even bother me. I still have a sort of round chest but it’s much flatter than what I was initially working with. The fabric makes it easy to slip on and take off and my chest doesn’t feel horribly sore like it normally does after taking off a binder which is a huge plus. All in all, I highly recommend this binder to anyone looking for a comfortable, breathable binder that provides the best compression I’ve personally experienced, especially when I’m working with a 46†chest.
Garbage Can
August 23, 2025
I'm a big guy in all areas (5'7", 350, 48DD). I've had the binders that only have the compression in the bust, and frankly it made me look like a flat chested pregnant man- and frankly I'm not about that game. It felt super great, I didn't feel like I was being squeezed into oblivion, but it really did give me a masculine body shape. The fabric isn't the greatest feeling, but I found it quite comfortable regardless - I still recommend wearing a basic fabric sports bra or wife beater under it- y'know don't want to get chaffed nips.. The binder is super long- or maybe I'm just short torsoed, it goes down under my butt, but a quick fix is cutting and getting it surged or just dealing with the folds that it will have around your waist. The neck feels really big, but I think that has something to do with my weight, so I don't get the full on 'flat' look, but if you are a bigger person getting this don't expect 100% flattening- my chest looks more like a fat buff thing and I'm down for that. I don't feel like I'm wearing a binder so it's helpful.pros: full body, fair price, fairly good arm holes, sheer-ish back so I don't feel like I'm an oven.cons: neck line seems oversized, a tad long, material is a bit itchy- might be really uncomfortable for others.
Noel
June 3, 2025
I have spent literally hundreds of dollars on other binder shirts and this one by far is the ultimate like the name implies. Recently, I had a very bad experience and my chest was made the target of ridicule. My confidence was shot down and I ended up tossing my old binder shirts in the garbage because they obviously didn't work as well as this one. Underworks is a lifesaver and most of my confidence has been restored thanks to this well crafted shirt. I will definitely be purchasing a couple more very soon.
Certain rabbit
May 3, 2025
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.
Ethan Hernandez
March 15, 2025
Aprieta pero no lastima, da buena forma al cuerpo.
Sam
March 12, 2025
Gives a very nice shape, in my opinion.
Kael Soriano
December 20, 2024
FTM; ordered ahead of an engagement shoot and have never felt more secure and confident. It is easier to step into and offers incredible binding and shaping on the torso. 10/10, would buy again.
Will
November 22, 2024
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.
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