2014年04月18日

Size comparison of Japanese bras and UK bras

This entry is based on my opinion and experience, and does not necessarily reflect the true state of the brand and the general public's view...

My first bra in Japan was from PEACH JOHN. I hated their heavy padding, so I soon shifted to Triumph (Amo's Style). Thinking about Peach John now, I don't like their products and corporate image. They offer affordable, fancy bras, but they are similar to VS bras.

Then I tried wearing Wacoal bras (Salute and Parfage), and continued to do so until I found their H cup bras (Japanese size) were too tight. I really like Wacoal bras, probably because they offer a great range of bras (from cheap to expensive) and their bras are constructed to suit the Asian body (petite in stature, lateral body shape and such). I didn't have to worry about wires in the centre gore poking me in the ribs, nor did I have to worry about wires poking me in the armpit.

After Wacoal, I had to move on to Rui glamourous. Rui glamourous offered bras up to J cups (Japanese size), but soon, I had to move on to bras outside of Japan. Their bras were smaller than Wacoal bras. Rui glamourous J cup was just slightly larger than the Wacoal H cup, so I guess their J cups are the same as other Japanese I cups.


My last Japanese bra (from Rui glamourous) had a size tag "80J."
Before buying my first UK size bra, I had to do some research.
I looked at http://sizeguide.net/bra-sizes.html, and thought I would fit a UK 36 band. Other Japanese bra importer websites said an I cup would fit UK G/GG cup.

Based on my quick research, I purchased a Freya longline "Ivy" bra, size 36G. It proved the conversion charts were completely off. The bands were too loose and the cups were just too big!

My first bra was purchased from a shop that had a no return/no exchange policy :-(
So I had to keep it.

With the help of other bra bloggers, I found out I had a very wide root, slightly shallow and high-set boobs. (No Japanese blogs really talk about "roots" and "sets")

Based on my second reasearch, Curvy Kate seemed to be a good brand for me, so I purchased a UK 34G bra (which was 30% off). It was a Princess bra, and when I measured them flat, they were 70cm in band length (app 27.5 inches circumference), and this was perfect for me at the time! The flat band length was exactly same as the Rui glamourous band 80 (70 cm, flat). And when I wear them, Rui glamourous feels slightly tight (because their cups are already small), but feels almost the same as the Curvy Kate bras.

So, for those who wear a UK FF/G bra, you should choose J from Rui glamourous or I cup from other bras (except for Wacoal Studio Five).
BTW, Rui glamourous moulded bras and full cup bras are very different from 3/4 bras (felt larger), but I haven't tried enough so I can't give any detailed comments about them.



Japanese bras are generally tight. Some of the bands aren't stretchy (especially those that are cheaper in price).

Rather than using the international converion chart, you should measure yourself with a measuring tape and find out what your under-bust measurements are in centimetres.

As for bup sizes, you should try these sizes as a starting point:
UK FF/G cups = Japanese I cups (but J cup for Rui glamourous)
UK F/FF cups = Japanese H cups (but J cup for Rui glamourous)
UK E/F cups = Japanese G cups (but J cup for Rui glamourous)
UK DD/E cups = Japanese F cups
and so on.

FYI, my Italian-American friend said she usually wear an A cup in the States, but she filled out a C cup in Japan.

Related articles


About me & this blog(links to all other English articles)
Finding large size bras in Japan
Where/How to find bras in Japan
Why you can't get the size right with Japanese bras
posted by かたはばひろみ at 12:00| Comment(0) | English articles | このブログの読者になる | 更新情報をチェックする
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