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Bra » Ewa Michalak » Bm Rubin (1404) » 60KK » Bras » Owner


Measurement Cm
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Fits ribcage0.0
B. perimeter0.0
Stretched Band69.9
Band Length56.5
Stretch ratio1.2
Cup width15.2
Cup depth39.4
Depth ratio2.6
Wire length30.5
Cup height24.8
Cup separation1.3
Gore height10.8
Wing height11.7
Strap width2.2
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Labeled as




Used to fit

BM Rubin 60KK

BM Rubin is a fuller coverage, full lace unpadded bra with stretch lace on the upper section. The cups are the typical 3 sections-2 lower and one upper horizontal area, plus it has an outer wedge area that connects the cups to the straps securely. The color is classified as Ruby Red on Ewa’s site, though I’d call it more of a Berry Pinkish-Red than a Ruby. The backing on the cups is black. The band is the same berry color in opaque tulle, but is lined with black tulle for more support.

All measurements are taken prior to trying the bra on to insure no figure is obscured by the body. I also take all flat measurements before taking the stretched cup then band measurements for the same reason.

The band measures 22.25” and stretches to a max of 27.5”. It has 3 hooks and 4 rows of eye loops. The band has more tension than usual due to it being double tulle lined, which is nice.

Cup Depth as measured by:
1 Hovering the cup between the knees, then placing the tape measure into the cups without any resistance.
This measurement is: 12.5”
2 Placing the cup over the knee and stretching it similar to what a breast would, to the maximum resistance.
This measurement is: 15.5”

I feel these two figures give you a general idea of the minimum and maximum depth that the cup can accommodate, just like the flat and stretched band measurements do with bands. Since Bratabase only has one cup field, I enter the larger of the two, as it’s this larger number that determines if a cup is going to fit me or not since I am on the max end of the cup scale, but do realize that some may need the lower number to determine fit for their needs, so I will always include both figures in the reviews for full disclosure.

As for fit, the band is wonderful! It is super comfortable on the 2nd from tightest setting. The cups are a full fit with the gore being 1.5 fingers off the sternum which isn’t bad for me.

This bra is not owned any more

Updated on Nov 11, 2018 Flag this

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  • Show all comments (12)
  • 1

    So how does the stretch lace upper work when it is lined with the black tulle? Wouldn't the tulle anchor the stretch somehow? Thanks!

  • The tulle on the top is stretchy as well, like band tulle, allowing stretch yet still hugging the breasts beautifully. Some of her tulle is firmer than others but for the most part it is awesome. :-)

  • So would you say this bra ran pretty true to size, so to speak? I saw your Sofia post and got a little scared since it seems a bit tight on the upper part of the cups, whereas the Rubin seems more like a typical BM cup size. The whole point for me getting a BM anymore is to help correct my assymetry. My left size seems like it's closer to a cup and a half size larger than my right side. I *think* my BM size is a 30J, possible 30JJ (which is what I ordered in the Sofia, so I'm crossing my fingers that it works for me).
    Haha, so basically I'm unsure if I should order the 30J or the 30JJ 🙊

  • robbeck19 Yes, Rubin fits like my other BMs in the 60KK, & yes Sophia is tighter on top but hopefully I can get that to stretchout and loosen up a bit with force and wear, haha. The BM is great for asymmetrical issues for sure.

    Have you tried any Ewa bras yet?

  • 1

    Okay! Awesome. So maybe opt for the 30J then?
    Haha, hopefully! It's such a beautiful bra.

    I have tried several! I'm going through a size change though, and it seems like the BM is, surprisingly, giving me the best shape right now. It used to be that the SF and S were my best fits. I like the SM, but the shape was and is still wrong for my soft tissue. I wish I'd been more diligent about measuring and posting things to Bratabase, because it could have served well for other users. I've ranged from sizes 28K-34KK (possible 34L at the height of my breastfeeding run). 🙊

  • 1

    If you have the time and the bras still around, it's never too late to add them! We love all the data we can get, and no bra is too old to be added. :-)

    I love the look of the SM myself but haven't had the best of luck with it either. I shall still try it again though! The BM and SF are my favorites for sure. The padded (PL & S) give we an East West look which isn't appealing for my frame. (Yet I still buy those too!)

  • 1

    Unfortunately, I've only got the 28K S's, and an extremely worn 30JJ SF and 30K S. I feel the 28 bands might be the only accurate data haha.

    Right?! The Ja Weim makes me swoon! I just sold it actually. Sad face. I can't wear a plunge in any style. I fall out now. I think that's my problem with the S as well. Trying my luck with a 3 part Comexim that should come in the mail tomorrow though, so maybe I'll have the ambition to post measurements and such for it. :)

  • Even stretched out bra measurements hold value though, as that data tells us how the model fares over time, so if you are willing, we'd love to have them added. No pressure though!

    I have not had the best of luck with Comexim, hopefully you will get a better fit. Please do share when you get it. I'd love to hear your opinion on them. :-)

  • 1

    Alright! Maybe I'll just do it now 🤣

    I've tried Comexim a couple of times now.. I tried Anna Pardal (sp?) first and while the bra was beautiful, the 3-part cup literally folded in on my 34KK bust.. it was painful. I've tried a couple plunges that just didn't work either. Comexim has been a tough nut to crack, but some of their bras are just so beautiful that I can't help but try them 🙊

  • Oh I know it! I just tried Beatrice in two sizes for that same reason after a 8 month boycott of the brand, haha. I get one of three fits with Comexim: over quadding, empty outer cup with quadding up front ( and falling out if I bend over), or altogether gapy ill fit. No actual great fit.

    At least their prices are good, right?

  • 1

    I've got the Comexim Kim coming.. I tried Belle De Nuit and it just... No. It wasn't right at all haha.
    Agreed! Pretty bras for pretty prices. I get so envious of people around our/my size that can make Comexim work for them.

  • 1

    We all have our own niche that works though right? I'm just glad Ewa works!!

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