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Underworks FTM Extreme Tri-Top Chest Binder Top 983
Underworks FTM Extreme Tri-Top Chest Binder Top 983
  • NylonSpandex
  • Made in USA
  • Wash warm, tumble dry low, no bleach, no iron
  • Sizes - Measure Chest-Inches: X-small 28-30 / Small 31-33 / Medium 34-36 / Large 37-40 / X-large 41-44 / 2X 45-48 / 3X 49-52 If unsure, please order the next size up
  • EXTREME FTM TRANSGENDER NON-BINARY GYNECOMASTIA CHEST FLATTENING CHEST BINDER - Flattens the chest and promotes a masculine looking chest
  • UNDETECTABLE UNDER CLOTHING - Neckline is cut low enough to not show through your shirts. Flat stitched around the shoulders for comfort.
  • MADE IN USA - High Quality Construction for Maximum Durability
Underworks Tri-top Chest Binder, FTM Chest Binders, Gynecomastia Shirts, Comnpression Shirts

With the right Underworks binder, you can have a body that matches your image and be comfortable. Our Tri-Top chest binder is one of the strongest of our compression chest binder selection for men and is designed to give you a binder that fits right, feels good, and hides discretely underneath your clothing, with no seams or bunching. This binder is perfect for active lifestyles or when additional support and compression is needed.

Support For A More Active You

Whether you need a little extra help with curves you need flattened or want to pursue vigorous physical activity on your own terms, this is a great compression chest binder for men suffering from gynecomastia, upper chest muscle issues, or those who are transitioning to a new life.

  • Uses our 70% nylon/30% spandex medical-grade compression material for a tight, firm fit that moves with you
  • Three layers of compression across the front can flatten any bulges, while a single layer across the back helps engage the muscles of your whole upper torso for increased comfort.
  • This Underworks binder is a mid-tummy length, perfect for when you just need some help with your chest or want to wear shorter shirts
  • Tested and proven effective for binding and protection during sports activities.
  • Made in our USA factory with materials and craftsmanship you can trust.

Underworks FTM Extreme Tri-Top Chest Binder Top 983, chest binders, ftm chest binder, gynecomastia

Better Compression Wear

Isn’t it time you had the compression help you need to live your life to the fullest? Order your Underworks chest binder 983 for a better you today.

  • Available in color: white, beige and black

Read more Underworks tri-top chest binders, FTM Chest Binders, Gynecomastia shirts, compression tank top

Size Chart and Care


With arms down on side, take a snug measurement around the fullest part of your chest over the nipples


Hold both straps of the shirt and step into the garment. Pull up the garment and slide arms through armhole and adjust for comfort.


Wash in cold water, gentle cycle, tumble dry low or flat dry. No bleach, no iron.

Read more Underworks Tri-top Chest Binder, gynecomastia shirts, FTM Chest Binders, Extreme Compression Shirt
Underworks Garment Compression Levels Chart

The Underworks Tri-top Chest Binder is an extreme compression chest binder

  • Compression Level: Extreme Compression
  • Fabric Composition: 70% Nylon / 30% Spandex
  • Fabric Against Skin: Powernet: 70% Nylon 30% Spandex
  • Outer Fabric: Powernet: 70% Nylon 30% Spandex
  • Construction: 3-layers front and 1-layer back
  • Style: Half Tank

Underworks Tri-top Chest Binder Size Chart

Chest measure (in inches)

  • X-small: 28 - 30 in
  • Small: 31 - 33 in
  • Medium: 34 - 36 in
  • Large: 37 - 40 in
  • X-large: 41 - 44 in
  • 2X: 45 - 48 in
  • 3X: 49 - 53 in
Read more
  • Is Discontinued By Manufacturer: No
  • Product Dimensions: 7 x 6 x 2.25 inches
  • Item model number: 983
  • Date First Available: November 3, 2016
  • ASIN: B01M35NIEQ
  • Amazon Best Sellers Rank: #44,848 in Clothing, Shoes & Jewelry (See Top 100 in Clothing, Shoes & Jewelry)
    • #11759 in Men's Shops
    • #1497 in Men's Activewear

    Well, *I* don't love it, because I'm not the one wearing it, but my son loves it and that's what matters. He was the happiest I've seen him in a while after putting this on. My eye is not practiced enough to tell whether this works better than the cheaper one he had previously, but he says it does and it was worth the slightly higher cost to make him happy. For the record, he's pretty well-endowed, poor dude, and this seems to do an acceptable job of squishing down his boobs.

    I probably read through just about every review for binders before deciding to buy this one, my first binder. This seemed like it would be what I wanted. It was a chore to get it on, but once on, it really did do a good job of flattening my breasts. Once I had the binder on and put a shirt on over it, it looked like I had a great set of pecs. I do feel like it fits well, not being too tight or too loose. As soon as I started moving around in it, the bottom flips up. This is due to the fact that there is no taper and a significant difference in volume from the top of the binder to the bottom. I tried to fold the bottom hem under, but no matter how I adjusted it, it would creep and bunch up and become uncomfortable. After just a couple of days wearing it, the fabric in the scoop neck top part has stretched and is puckering out, making the binder more visible under my shirt. I also had an issue with the seam ends digging into my skin. I ended up cutting up a cloth diaper to put between the seam end and my skin. I've also noticed that there is a spot where the seam has a tiny hole in it. I don't feel like the seam is strained, but the stitching looks weak in spots.
    Overall, for what this binder cost, it is not at all what I hoped it would be. I don't understand why these binders cost so much. It's not like the fabric is phenomenal, there is little material cost, can't be much labor, and I'm doubtful that there is any r&d to fund.

    I’m a transman, over one year one T so my experiences with binders is vast. I’ve got my favorite brand: Underworks.
    This is my 6th binder (I wear them out and try to switch out regularly).
    I stick with half length underworks brand for most of my binders because of my body type. I’ve got an hourglass figure: aka my measurements are 38. 25. 36
    Full length binders ALWAYS inch up from the bottom and settle around my waist, it’s very uncomfortable and to be honest it’s downright painful. Some men swear by full length, but it’s just not for me.

    I have both a large and a medium underworks half length binders, depending on how much salt I have the day before or if I’ve got some weight fluctuations I don’t have to worry about being uncomfortable or worry about not getting the appearce of a flat chest. I know many people can’t afford having multiple binders, but if you can ordering more than one size and returning whichever binder doesn’t fit you right. Hell, if you don’t like either just return them and try GC2B.

    For me, compared to the gc2b half length, they fit fine but they bunch around my shoulders and back weird no matter what size.

    TL;DR- If you have an “hourglass” figure, I highly recommend these binders. Especially half length. Also, when in doubt about size order both and then return the one that doesn’t fit you right.

    It's really uncomfortable for about the first week but the more you wear it the more comfortable it becomes. I wear a 38G bra and I think I'm pretty flat.

    This binder is amazing with only a few minor cons, for starters I'm a 34c or so with a 35in bust and got a size medium and it's a perfect fit and could not imagine fitting into a small in the binder I definitely suggest if you on the borderline of sizes like me to go for the medium because it's tight and I have to step through it to get it on.
    The only thing I'm not to keen on is the material it's made out of its like a rough mesh type of material that's scratchy I'm fine with it because after a week or so of breaking it in it doesn't bother me but if it was to tight I could see that as being quite uncomfortable. But all in all awesome binder I'm considering the cotton lined one next just to be a little comfier.

    I will give it credit for being breathable. But that's about it. The top around the neckline is saggy, the bottom flips up, and it is almost impossible to put on. I needed help after several attempts just to get it over my chest. I have a 36D chest and picked a medium, which works fine after readjusting. I've had other binders in the past and this is probably my least favorite. Maybe its just my body type and not the products fault for not fitting me but my underarms got scratched up when I tried to put the binder on. Photos of how it came, the floppy neck, and how well it flattens my chest.

    I haven't worn a sports bra since owning this and have bought a few more. I wear the cropped top at work and when I'm outside in the heat and the full length top other times. I was always uncomfortable especially when sweating (everyday at work for me) before with my sports bra under my chest and on the shoulder straps being tight and creating heat rashes and I wanted something that would actually compress some DDs. This top does compress on my shoulders but because the straps are so wide it is more spread out and not all tight on one spot while also keeping everything in and compressed soo much better as well. The fact that this is also cheaper than a sports bra is great. If i paid more for one i'd like the material to be softer and not as rough but it's not too bad especially for the price.

    update: have worn almost daily and lasted a long time it’s just now starting to stretch out on the side making it less effective. like others stated it does have too much extra material across chest and near arm pit area for me so at these spots it sticks out though i think this has worsened after heavy use id go smaller but it would be too tight to be comfortable at that point. also note it takes a few wears to get comfy first few times it might feel way too tight.

    I worked well but I no longer need to purchase them