Option 2 - contact us here and we'll help you work out your size
Option 3 - try our virtual fitting service here for a consultation with our expert
Option 4 - measure at home with these guides.
These charts are only a guide.
Please measure with a bra on. When measuring, you need to measure quite tight for your underbust measurement, and then over the bust, you measure loosely. Otherwise your result will be incorrect. Any questions, we're here to help.
Bra Size Chart
My Necessity Bra Size Guides
Use the following size guides to fit our My Necessity Bra which is available in both regular cup and full cup sizes.
Sister sizing allows you to find your perfect fit. Sometimes after measuring yourself it is possible that your size may still need to be adjusted.
The following chart shows sister sizing for each bra size. All of the sister cups in the same row are the same size.
Sister sizing is like a seesaw. If you move up in the band, move down in the cup and vice versa. For example if you find that a size 34E fits well in the cup, but is too big around the band, go down to the next sister size in the row and try a 32F.
HM Collectives Fitting Quiz will help you find the right size. Our fitting Video is another great way to make sure you have the correct fit. Still unsure? Please email your measurements and details of how many months pregnant/feeding, we will be happy to help, we can help you avoid couriering bras back and forth. Nb. We encourage getting the size right first as it's more sustainable to send a package out once, than multiple times.
Free shipping applies to all orders throughout the UK and Ireland on orders over the value of £40!
All discount codes are valid for full price items only. From time to time we have fabulous sales or promotions, the use of further discount codes are exempt. Your discount code will work again once the sale is over.
Please check your spam box first, if you still cannot find this please email us at support@hmcollective.com and we will give you all the information you need.
Allow 2-3 working days for UK deliveries and 5-7 days for all other areas. Peak holiday times and other occurances can affect delivery times. You can check the order status by logging into your Account
There are no duties on deliveries within the UK. Outside of the UK, customs duties and charges may vary, HM Collective is not responsible for any charges the recipient may incur.
All bras and sleepwear are returnable* for store credit, exchange or refund within 90 days to ensure you get the right fit. Please contact us for any fit questions to save you sending bras back and forth, we can definitely help with fit tips! It's also better for the environment to order once, so let us help. *Please see our dedicated Returns and Exchanges page for full details. FREE GIFTS must be returned or will be charged.
We offer free return shipping within the UK. Outside of UK return shipping is not refundable, however you will not be charged shipping for the exchange items to be sent to you.
We aim to process your exchange and store credits within 48hrs of receiving it at our collections warehouse. You will be contacted by email to let you know this has happened. Your store credit will be emailed or exchanged items will be sent out on the next available courier. Refunds will be processed once they have been forwarded back to us, allow 7-10 days. Peak holiday times may experience a slightly delay in processing times.
We have a generous 3 month policy for finding any faults, after this time frame it's considered fair wear and tear. Please email details and photos within 3 months to support@hmcollective.com
HM Collective gift vouchers and store credits normally expiry one year from date of purchase/issue.
If you have technical issues or find any errors on our website please contact support@hmcollective.com with details of the error and we can fix it.
Heroine Plunge - fine twin straps for increased freedom and enhanced support. Feminine lace with sheer mesh lining and a cotton side sling. Plunging yet supportive shape with the flexi underwire lift and Rose Gold featured hardware.
*Magnetic nursing clips are not suitable to use for mothers with pacemakers or defibrillators
Our model wears size 32D
FIT TIP: This style is firmer around the back than standard Hotmilk styles due to the stretch of the lace. It's slightly wide set but seems to work really well on most bust shapes as a relaxed fit.
FEATURES - plunge - side sling feeding support - flexi-wire cup support - non-padded - rose gold hardware - magnetic nursing clips twist to open - 6 hook and eye back fastenings for extending band size - sheer Virivian Green lace over sheer Virivian Green mesh lining - outer 90% nylon 10% elastane - lining 100% nylon - side sling 100% cotton - size range 30-38 band, D-G cups
Josie C.
Loved this bra initially but when wearing it for an hour the cup edge gives me "four boob" due to the style.
Jessica T.
Very nice bra, however the lining is pretty much see through and very thin - this was not captured in the picture.
Rebecca B.
Over the moon is an understatement! I've struggled so far in this pregnancy with feeling sexy. After all my old nice bras no longer fitted me and the standard maternity/nursing bras not being overly flattering i was so happy i found this company who do something more to my usual taste but that I can still wear whilst pregnant and nursing. I was skeptical before they came especially as I sized up as per the recommendation on the fitting guide on here (an amazing feature btw) but they came today and both fit perfectly and are so comfy and flattering. Will be ordering more even after having the baby. Never loved a bra so much! Xx (38E)
Sara E.
Beautiful colour and really supportive even though I'm not on the small side!
Vanda J.
Love this bra the colour is so vibrant and summery. Love the shape too
Sophie M.
I loved this bra, it’s really pretty and so much less frumpy than your average nursing bra. I found the metallic clips difficult to undo one-handed, but they snapped shut really well.
Unfortunately the underwire gave me mastitis so I have stopped wearing the bra. I am prone to mastitis so will avoid underwires in future, but if you’re not this is a great nursing bra!
Rachel P.
My usual size didn't fit I found the extreme straps weren't flattering at all.
Miss E.
It’s not really a flexi wire. The wire has moved down and is now digging in my chest and back.
I do like the magnetic clips though.
Sarah R.
I was frustrated with my bra-buying experience- this bra was a bit too small but in 2 other different styles of the same size they were actually too big!
Cyndi B.
Really pretty and comfortable to wear. The magnetic clasps make this bra super easy and convenient when feeding.The lace is soft and not irritating.
Amy
Pretty bra and a comfortable fit, but it has raw seams that sit right over your nipple in the cup that are so intensely scratchy that I can’t stand to keep it on. Just wished I’d realised before I took off the tags.
Lauren
Okay, so let’s start with the fact that my udders have now reached a ginormous 34G. I bought two bras from Hotmilk and I have to say this one is GORGEOUS, the other one is ugly and looks like a tit sack. This one fits beautifully, is super supportive and keep the boobs in place. I love it. I have yet to wear it in, so can’t comment on durability as yet, but the fit and support is great, not just for a nursing bra but for a bra full stop! Love it.
Elizabeth T.
Beautiful bra, but functional, too. I can put my freemies in this bra to pump. Very comfortable. Very thin but I love it. If I need more padding my bamboo nursing pads work great.
Kimberly C.
One side has a front clasp that is stuck and almost impossible to get undone. Otherwise this is a beautiful bra. If you want a bra that looks and feels like a normal lace underwire, but allows to nurse this works. Only took off for the stuck clasp.
Emily M.
It's lovely, really nice and comfy fit, gives me good support and a good shape. I love the colour as it feels more attractive than the nasty skin coloured ones. The magnet closure is really easy too. All in all I love it.
Shannon W.
It's a gorgeous bra that makes my boobs look awesome AND its nursing friendly!
Kate E.
Supportive and comfortable, thin cups are easy to get out of the way for a feed. However, the thin cup material does mean nipples are sometimes obvious through a shirt (e.g. immediately after a feed or in cold weather).
janine F.
Great bra.
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