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Underworks

Underworks FTM Extreme Tri-Top Chest Binder Top 983

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Availability: In Stock.
Fulfilled by Underworks
Arrives Jun 17 – Jun 23
Order within 13 hours and 10 minutes
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Size: Large


Color: Nude


Product Dimensions ‏ : ‎ 7 x 6 x 0.5 inches; 4 ounces


Item model number ‏ : ‎ 983


Department ‏ : ‎ mens


Date First Available ‏ : ‎ November 2, 2016


Manufacturer ‏ : ‎ Underworks


Product Warranty: For warranty information about this product, please click here


Best Sellers Rank: #98,021 in Clothing, Shoes & Jewelry (See Top 100 in Clothing, Shoes & Jewelry) #87 in Men's Base Layers


#87 in Men's Base Layers:


Customer Reviews: 4.2 4.2 out of 5 stars (1,124)


Color: Nude


Fit Type: Athletic Fit


Style Name: Tri-top Chest Binder Top


Neck Style: Crew Neck


Sleeve Type: Sleeveless


Shirt Form Type: Crop


Sport Type: Exercise and Fitness


character: sports


collar-type: Collarless


Pattern: Solid


top-style: Tank Top


Apparel Closure Type: Pull On


Cuff Type: No Cuff


Apparel Occasion and Lifestyle: Comfort


Occasion Type: Vacation


Collection Name: All


Back Style: T Back


Brand Name: Underworks


Model Name: Ftm Extreme Tri-top Chest Binder Top


Style Number: 983


Unit Count: 1 Count


Import Designation: Made in USA


UPC: 846330047168


Number of Items: 1


Manufacturer Part Number: 983


Age Range Description: Adult


Item Weight: 4 Ounces


Sleeve Length Description: Sleeveless


Is Customizable?: No


Fit to Size Sentiment: Positive


Material Type: Nylon Blend


Fabric Type: 70% Nylon, 30% Spandex


Product Care Instructions: Wash warm, tumble dry low, no bleach, no iron


Fabric Stretchability: Stretchable


Apparel Fabric Weight Class: Lightweight


Apparel Fabric Stretch: High Stretch


Item Length Description: Standard Length


Garment Size Country: United States


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Jun 17 – Jun 23

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View our full returns policy here.

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Top Amazon Reviews

    • Great compression, doesn’t lay completely flat Great compression, doesn’t lay completely flat
Size: Small Color: White
Review Image by StarStruck
TL;DR: really good budget binder. Even with a larger chest and smaller frame it still does a great job flattening while the bottom edge stays flat on my ribs. Neckline bunches a bit so not for thinner, super fitted shirts **my sizes for reference: 29” ribs, 34” chest and got the Small size** I’ve gone on a binder blitz recently and gotten some from various companies. Honestly I didn’t have high hopes for this one since it was readily available on Amazon and didn’t cost a crazy amount. I’m glad I was wrong. This style (tri top) is the second style I have from Underworks, the first being the econo one (which compresses fine just the cut isn’t quite as precise as this one). I’ll say this was difficult for me to put on. Definitely couldn’t do it still being damp from a shower and I bet it would be hard to get off if I was sweaty. I can certainly feel the compression. I know having bigger boobs with a smaller frame I’m never going to be completely flat, but this gets me pretty darn close. While the bottom edge of this binder lays really flat on my ribs it still bunches a little, but not so much this it’s crazy noticeable through a t shirt (not super fitted). The neckline does bunch a bit more however, so I wouldn’t want to wear it under something very tight or thin. I didn’t do a lot of activity when I wore it but I would say definitely not for a high octane workout, at least if your boobs are that much bigger than your ribs because of the amount of compression. The straps do dig in occasionally on the shoulders but because they’re wider it’s not too uncomfortable until I can adjust it. After putting it on it was a bit of work trying to adjust my boobs only due to the arm holes being smaller (which hides my extra boobs spillage so not a sticking point for me) All in all I feel like it’s a great buy for the price and I’m shocked at the amount of compression I get ... show more
Reviewed in the United States on August 21, 2025 Reviewed in the United States on August 21, 2025 by StarStruck
    • Underworks or gc2b
Size: Small Color: Black
Ill compare the gc2b binder and underworks for people like me who are wondering if they should get it. I have worn the binder for almost a week now and it's usually on for more than 10 hours (which I definitely do not advise, I have severe rib and back pain from that) First off- shipping was extremely fast, I live in southeast Europe and it came in around 5 days (had to deal with customs but that's because I ordered from the American Amazon like an idiot). You receive what you ordered, an underworks branded binder with the size and colour you chose. The binder itself is made out of some sort of rougher, mesh material, way more rough than the gc2b and slightly longer (I find that more comfortable). It was kind of itchy the first day, but I quickly got used and it doesn't bother me anymore. The shoulder straps and the neckline are more discreet, they're farther away from where your shirt neckline would be, the gc2b are really far up and could be seen under most of my shirts. The straps cause some tension and therefore my shoulders hurt ( kind of like I have sore muscles but that might just be me). Some people say the bottom of the binder rides up, that doesn't happen to me but everyone has a different body so take everything I write with a grain of salt. Lastly- the binder is, from what I can feel, a bit tighter than the gc2b, it does bind better (i have worn the gc2b one for more than a year and it might have been slightly stretched). But since its tighter it also causes more pain. I wear the binder, usually, for more than 10 hours, my back and rib pain has increased and there is added shoulder pain, sometimes it's almost unbearable. Otherwise the binder is perfect, I love it and I will definitely order more. ... show more
Reviewed in the United States on February 3, 2020 by Andrej Ignatov
    • NOT DISCREET, but great product
Size: Small Color: Black
This binder fit really well, I am a 32 C and I am incredibly flat with this on! I really love the product and the material is pretty nice. It’s not very soft, but the panel in the front does its job well. It cuts into my armpits a bit, but not enough to bother me too badly. The neck and straps go kind of high up, so it’s not really suitable for low-cut shirts. That being said, the packaging is not discreet at ALL. Luckily for me, this wasn’t a problem, but something to keep in mind for those ordering. The product came in the original manufacturer’s bag, product label visible, with no shipping pouch or box at all. ... show more
Reviewed in the United States on September 3, 2025 by Alex
    • Very rough material but binds well
Size: Large Color: Nude
Material is very scratchy and rough. The arm holes are slightly too tight so it rubs up against your armpit and restrsicts your movement a little. The sizing chart is accurate though (my bust size is 39.5 and my band size is 33, I got a large) and it does bind well. It breathes better than my other binders which makes sense since the fabric is sheer. Its tolerable if you're wearing it for a short amount of time. Wouldn't get if you have sensory issues or are prone to chaffing. ... show more
Reviewed in the United States on September 6, 2025 by Computer Doc
    • Perfect binder for me
Size: Medium Color: Black
Amazing binder, been using underworks for years. While I do have a small chest la it may not work for everyone. It binds me flat and very natural looking. It feels a lot like a bathing suit and after a bit I don’t notice I’m wearing it. The fit was true to size too.
Reviewed in the United States on March 13, 2026 by Miccsns
    • Please remove ‘FTM’ and label as for everyone
Size: XX-Large Color: Black
Great for gynecomastia. This is very tight and does not stretch much so make sure to follow the measurements, and even size up if possible. The sizes are all a bit small- I believe this is because it’s originally designed for a smaller frame but I wish they would make more sizes and take off the ‘FTM’ and transgender markers. Lots of people use these, not just one group of people. ... show more
Reviewed in the United States on April 27, 2026 by Ben
    • Don’t buy this if you want comfort
Size: Medium Color: Nude
The scratchiest most cheap feeling fabric I’ve ever felt. I didn’t even want to put it on.
Reviewed in the United States on May 18, 2026 by Gabriel
    • Looked Small, Fit Almost Perfect!
Size: Large Color: Black
At first I definitely thought I went a size too small. I am 220 lbs with a 38D and wanted good compression to put me near flat. While it obviously isn’t going to be flat it makes me feel so much better! I’m just a masc woman and wanted less chest overall and it’s perfect for me. It is slightly stretchy, the neckline doesn’t necessarily fit the way I’d like but it’s not itchy to me and it doesn’t irritate my armpits or anything. It’s breathable, and while it does roll a little in the front for those with a soft belly, a tiny tuck of the fabric fixes that! ... show more
Reviewed in the United States on August 5, 2025 by Brenda Adams

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