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Common Muse · Wire-free posture bra
- Crossed bands encourage shoulder alignment
- Spreads the weight of your bust across three support points
- Front closure: on in seconds
- 360° smoothing: no bulges across the back
Size Guide
Step 1: measure your underbust
Measure right under your bust, where the bra band sits, with the tape snug and level. Breathe normally. This measurement is your underbust.
Step 2: measure your bust
Measure at the fullest point of your bust, with the tape level and snug but not tight. Your bust minus your underbust gives the difference, and the difference gives your cup.
Your band number
| Underbust (cm) | Number |
|---|---|
| 68–72 cm | 1 |
| 73–77 cm | 2 |
| 78–82 cm | 3 |
| 83–87 cm | 4 |
| 88–92 cm | 5 |
| 93–97 cm | 6 |
| 98–102 cm | 7 |
Your cupBust minus underbust. For example, if your underbust is 80 cm and your bust is 95 cm, the difference is 15 cm and your size is 3B.
| Difference (cm) | Cup |
|---|---|
| 7–11 cm | A |
| 12–16 cm | B |
| 17–21 cm | C |
| 22–26 cm | D |
| 27–31 cm | E |
The closure has several rows of hooks, so each size adjusts across a small range.
Find your size


Just under the bust.
At the fullest point.
The calculation happens on your device. Nothing is sent and nothing is stored.
The size we recommend
Common Muse 3D Posture Bra
How it's made
INSIDE THE BRA
Shoulders more open, without thinking about it
The crossed elastic bands across the back encourage shoulder alignment with a light, constant pull. You do not have to do anything: just wear it.
Support that shapes
Shaped cups give form and hold naturally: no wires, no pressure, comfort that lasts all day.
Clips in front, on in seconds
The front closure clips shut in one move, no twisting behind your back and no row of hooks to find blind.
Like You're Wearing Nothing
Seamless, breathable fabric: smooth on the skin, no lines under your clothes, no squeezing.
Comfortable from day one. Natural over time.
What you feel while wearing it depends on your build, your size and how often you wear it. The sensations described here are subjective and vary from person to person.
Comfort immediato
The moment you close the front clasp, you feel the wide straps spread the weight instead of dropping it onto two points.
Ci fai l'abitudine
The wide straps do not leave the deep grooves you are used to, and by the end of the day you feel the weight of your bra less.
It becomes your favorite
It is the one you reach for first: it closes in one move, it does not squeeze and it does not show under your clothes.
A habit
The more you wear it, the more standing tall feels natural.
The habit is built by wearing it. You can start today.
Why chooseCommon Muse
HOW WE COMPARE
Why chooseCommon Muse
HOW WE COMPARE
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Common Muse Bra
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Tutore posturale rigido
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Regular Bra
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Encourages shoulder alignment
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Wearable all day
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Invisible under clothing
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Wire-free support
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Prezzo
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34,99 € | Much higher | 40–80 € |
What our customers say
TESTIMONIALS
Frequently Asked Questions
The crossed elastic bands across the back apply a light, constant pull that encourages shoulder alignment, while the wide straps spread the weight of your bust instead of concentrating it in two points. It does not do the work for you: it reminds you to stand tall, and the more you wear it the more natural that becomes.
Support is shared across three points: the band under the bust, the wide straps and the bands across the back. It does not all land on the straps. The weight is the same, but it is spread over a wider surface, which is why you feel it less by the end of the day.
It is seamless and opaque: under a fitted tee you will not see edges or lines. With very fine or white fabrics we suggest the beige, which disappears better on most skin tones.
Your order is prepared within 1 to 3 business days. Delivery in Italy is estimated at 7 to 14 business days. You get a tracking number by email as soon as the parcel leaves, so you can follow it the whole way.
Yes. Wire-free and made from breathable fabric, it supports well through light workouts, walking, yoga and stretching. For running or high impact activity, a dedicated sports bra is still the better choice.
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