The tank that replaces your bra
Forget your bra. Not your shape.
The support is sewn through the whole tank instead of hanging off two straps and a band. No wire. No clasp. Nothing to fasten. You pull it on over your head, and by mid-morning you have stopped thinking about it.
- Held and lifted, without being squeezed
- No band, so nothing digs in and nothing marks your back
- Cool underneath, no thick cups, no elastic under the bust
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Real women · unfiltered
They were all sure it would not hold.
Every one of them took it off expecting the worst. Here is what actually happened in the first week.
I put it on at seven and I genuinely did not think about it again until I got undressed. That has not happened in forty years.
First summer without that damp, sore patch underneath. No elastic sitting on my ribs in July. That alone was worth it.
I checked the back of a fitted top in the mirror, the way I always do. Nothing. No line, no roll.
I was certain everything would drop the moment I took the bra off. It does not. I am held, just not squeezed. I am a 38DD and I took the XL.
I stood in front of the mirror expecting the usual roll above the band. There was nothing to see.
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30-day guarantee · free shipping · ships within 24 hours
SERENA™ – Built-in Bra Comfort Tank
SERENA™ – Built-in Bra Comfort Tank
You stop noticing it by ten in the morning.
- It holds you, the support runs through the whole tank, not through two straps
- Nothing pulls tight, no wire, no band, no groove under the bust
- Nothing to fasten, it goes on over your head
- Padding sewn in, it stays exactly where it is, wash after wash
1. Your band size
2. Your cup size
Between two sizes? Take the larger one, it sits more comfortably and still holds.
| Size | Bust |
|---|---|
| S | Up to 33½" (85 cm) |
| M | 33½–35" (85–89 cm) |
| L | 35–37" (89–94 cm) |
| XL | 37–40" (94–102 cm) |
| 2XL | 40–42" (102–107 cm) |
| 3XL | 42" (107 cm) and up |
Try it risk-free · 30-day guarantee
SERENA™ – Smoothing Support Brief
High waisted and smoothing, with a hidden layer that keeps you dry all day.
FREE
| Waist (in) | Waist (cm) | Hips (in) | Hips (cm) | |
|---|---|---|---|---|
| S | 27.2 – 28.7 | 69 – 73 | 35.8 – 37.8 | 91 – 96 |
| M | 29.1 – 31.1 | 74 – 79 | 38.2 – 40.2 | 97 – 102 |
| L | 31.5 – 33.5 | 80 – 85 | 40.6 – 42.5 | 103 – 108 |
| XL | 33.9 – 35.8 | 86 – 91 | 42.9 – 44.9 | 109 – 114 |
| 2XL | 36.2 – 38.2 | 92 – 97 | 45.3 – 47.2 | 115 – 120 |
| 3XL | 38.6 – 40.9 | 98 – 104 | 47.6 – 50 | 121 – 127 |
| 4XL | 41.3 – 43.3 | 105 – 110 | 50.4 – 52.4 | 128 – 133 |
Measure your waist and hips. This is not your tank size — tanks are sized on the bust.
Please choose a size for your free underwear.
Free shipping · ships within 24 hours · 30 days to change your mind
Fabric & care
Fabric & care
Soft nylon and elastane blend, stretches in every direction, breathes, and keeps its shape.
Sewn-in support layer and stitched-in padding (removable if you prefer to go without).
Machine wash cold on a gentle cycle. Dry flat or tumble dry low. Do not bleach or iron.
Delivery & returns
Delivery & returns
Orders leave us within 24 hours and arrive in 5 to 8 working days, tracked the whole way.
If the size is not right, you have 30 days from delivery to write to us and we put it right , an exchange for the size that works, or your money back.
Need a hand choosing?
Need a hand choosing?
Tell us the bra size you wear now and we will tell you which size to order.
Email hello@mysaintmuse.com and a person will answer you.
Don’t take our word for it. Watch theirs.
Filmed in their own words — different bodies, different reasons, same result.
What we changed
Three narrow points carry everything you have.
Two thin straps and one tight band. The weight has nowhere else to go, so it goes into your shoulders, under your bust and across your back. That is not a comfort problem. It is arithmetic.
SERENA spreads the same job across the whole top, from shoulder to hip. Nothing is pulling hard anywhere, so there is nothing to notice, and nothing to keep adjusting.
And you are still held. Spread out is not the same as taken away.
It is not shapewear and it is not compression. Nothing drops, nothing is squashed. You keep your shape. You just stop feeling the thing that holds it.
Inside the tank
What replaced the wire and the band
- Support spread across the whole top The inner layer holds you evenly from shoulder to hip. There is no narrow band concentrating the pressure in one line.
- Padding stitched in, not slipped in It is sewn to the garment, so it cannot travel, fold over or disappear in the wash. Slide it out if you would rather go without. It goes back exactly where it was.
- Wide, soft shoulder straps Broad enough to lie flat on the shoulder and stay there. They do not slide, and they do not cut a line into you.
- A smooth outer layer Sits flat against you so the line under a blouse or a knit is clean. No lumps, no seams reading through.
Your day with it on
The morning you stop noticing
Over your head, like any vest. Nothing to reach for behind your back, nothing to line up, nothing to do up.
Wear it on its own in the warm, or under a shirt, a knit or a cardigan the rest of the year.
No strap to hitch up in the supermarket. No band to pull down at three. And nothing to rip off the second you get through the door.
Honestly compared
Everything else makes you choose
| Underwired bra | Sports bra | Shelf vest | Bralette | SERENA | |
|---|---|---|---|---|---|
| You stop noticing it | ✗ | ✗ | ✓ | ✓ | ✓ |
| Nothing drops | ✓ | ✓ | ✗ | ✗ | ✓ |
| Smooth under clothes | ✗ | ✗ | ✓ | ✓ | ✓ |
| No mark across your back | ✗ | ✗ | ✓ | ✗ | ✓ |
| Nothing to fasten | ✗ | ✓ | ✓ | ✗ | ✓ |
| Padding stays put after washing | ✓ | ✗ | ✗ | ✗ | ✓ |
| Can be worn on its own | ✗ | ✗ | ✓ | ✗ | ✓ |
Held on one side, comfortable on the other. One column has both.
Size chart
Go by the size you buy today
Not the dress size on the label. Find the band and cup you buy today, your tank size is on the right.
| Tank size | What you buy today | Bust |
|---|---|---|
| S | 32A | Up to 33½" (85 cm) |
| M | 32B | 33½–35" (85–89 cm) |
| L | 32C, 32D, 34A, 34B | 35–37" (89–94 cm) |
| XL | 32DD–32DDDD, 34C, 34D, 34DD, 36A–36C, 38A | 37–40" (94–102 cm) |
| 2XL | 32G, 32H, 34DDD, 34DDDD, 36D, 36DD, 38B, 38C, 40A | 40–42" (102–107 cm) |
| 3XL | 34G and up, 36DDD and up, 38D and up, 40B and up, all 42–48 bands | 42" (107 cm) and up |
Between two sizes? Take the larger one. It sits more comfortably and it still holds.
Thirty days to be sure
Sizing a top you cannot try on is the awkward part of buying online, so we make it easy to put right.
You have 30 days from the day it arrives to tell us the fit is not right. Write to us and we sort it with you, an exchange for the size that works, or your money back. One email, no forms to print.
Before you order
The questions we are asked most
If I take my bra off, is everything going to drop?
This is the first thing most women ask, and here is the honest mechanical answer. A bra concentrates the whole load into one band and two straps, which is why a fuller bust means more digging, not more holding. SERENA spreads that same load across the whole garment, from shoulder to hip. Nothing has to grip hard in one place, and nothing drops.
It gives you what we call supported enough: held, lifted and smooth for everyday life, errands, lunch, church, travelling, the garden. It is not an underwired bra for a day of heavy lifting, and we are not going to pretend otherwise. Most of our larger-bust customers wear XL to 3XL. If you are between two sizes, take the larger one.
Will the padding shift or come out in the wash?
The padding is stitched to the garment rather than slipped into an open pocket, so it cannot travel, fold over or vanish into the machine. If you prefer no padding at all, you can take it out and put it back, it returns to the same place.
Wash it cold on a gentle cycle and let it dry flat, and it keeps its shape and its hold.
What if I order the wrong size?
You have 30 days from delivery to write to us and we put it right, the size that works, or your money back. Use the size finder above first: give it the bra size you wear now and it tells you which tank to order.
Will it show under a light-coloured blouse?
The outer layer is smooth and flat, so you do not get seams or lumps reading through. Under something white or very fine, choose the shade closest to your own skin tone rather than white, nude disappears under pale fabric far better than white does.
What is it made of, and is it hot to wear?
A soft nylon and elastane blend that stretches in every direction and breathes. There is no thick moulded cup and no elastic band trapping heat under the bust, which is the part most women find they notice first in warm weather.
Can I really wear it instead of a bra?
That is exactly what it is for. Wear it on its own when it is warm, or under a shirt, a knit or a cardigan the rest of the year. Most of our customers keep two or three in rotation and stop reaching for a bra altogether.
I have not ordered from you before. Who am I buying from?
A fair question, and one worth asking of any shop you do not know. Every order is covered by our 30-day guarantee, payment is handled by Shopify's secure checkout (we never see your card details), and you can email a real person before you order if you would like to ask something first. Nothing is hidden behind small print.
By ten in the morning, you will have forgotten.
No strap to pull up mid-conversation. No band to shift when you sit down. No turning sideways in the mirror to check your back before you leave.
You put it on. Then you get on with your day.
Choose your set30-day guarantee · free shipping · a real person on email
what our customers say
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Linda M.Verified BuyerI forgot I had it onPut it on at seven, took it off at eleven at night, and in between I did not think about it once. I have not been able to say that since I was a teenager.
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Patricia R.Verified BuyerNothing droppedI was braced for everything to head south the second I took the bra off. It did not. I am held up, I am just not gripped. That was the bit I did not believe.
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Susan D.Verified BuyerNo line across the backI still check the back of a fitted top in the mirror out of habit. There is nothing to see. Flat all the way across, no roll, no line.
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Karen B.Verified BuyerHeld without being squashedI expected one of two things: flattened, or no support at all. Neither happened. Lifted, and comfortable with it. I took the size the chart gave me and it was right.
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Margaret W.Verified BuyerBought one, then three moreI wore the first one four days running which tells you everything. Ordered the three-pack so I always have a clean one. Nude, black and the grey.
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Dorothy H.Verified BuyerVery good, took a moment to trust itI will admit I ordered nervously from a shop I did not know. It came in five days, exactly as described. My only note is that I would have preferred a slightly longer body, but it does tuck in.
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Joan T.Verified BuyerThe padding really does stayI have thrown out three tops where the pads ended up screwed into a corner in the machine. This one is sewn in. Ten washes so far and it has not moved a millimetre.
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Eileen S.Verified BuyerThe first summer without itNo thick cups, no elastic sitting on my ribs, so none of that damp sore patch underneath in July. Twenty summers of that and it just stopped.
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Barbara P.Verified BuyerSmooth under everythingNo lines, no lumps, nothing showing through my pale blue shirt. I take the nude for light colours and it disappears completely.
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Ruth A.Verified BuyerI gave one to my motherShe is 84 and has not been able to manage a bra for years. She rang me to say thank you, which she does not generally do about clothes.
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Sheila C.Verified BuyerStraps that stay on the shoulderWide enough that they sit flat and stay there. I used to hitch a strap up ten times a day without noticing I was doing it.
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Carol N.Verified BuyerWorth the three-packGet more than one. You will want to wear it every day and then you are washing it every night, which is how I ended up ordering again a fortnight later.
