Magic Convertible Strapless Push Up Corset Posture Bra
Magic Convertible Strapless Push Up Corset Posture Bra
Size Guide
Bra Sizing Guide
Getting the right fit doesn't need to be hard, let us help you make sure you get the right fit.
Band Size
Okay — breathe in, then out, and hold. Wrap a tape measure around your chest at band level and take a look.
Odd number? Add 1. Even number? Add 2.
For example — if you measured 33” and add 1, you get 34”. This is your band size! We recommend measuring this part in Inches and converting it to CMs.
Cup Size
Breathe in again, then out, and hold.
1. Wrap a tape measure around the fullest part of your bust and take note.
2. Round to the nearest whole number. This is your bust size!
3. Subtract your band size from your bust size and voila! This determines your cup size.
For example — if your bust measured to 36, you would subtract 34 from 36 to get 2!
| INCHES | 1 | 2 | 3 | 4 | 5 | 6 |
| CUP SIZE | A | B | C | D | DD | DDD |
Put your band size and cup size together and now you have your bra size!
Our example comes out to be a 34B.
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Sculpted Support, Strapless Freedom, & Unshakable Confidence
From elegant evenings to everyday glam, this posture-sculpting bra wraps you in confidence, lifts you beautifully, and stays invisible under every curve-hugging outfit.
This corset-style bra has a structured fit with moulded cups and underwire. Choosing the correct band and cup size is important for comfort, shaping, and support.
- Start with your measurements: Use your underbust and fullest bust measurements with the Size Chart rather than relying only on your usual bra size.
- Band too tight? Try the next band size up.
- Band loose or slipping? Try a smaller band size for a more secure fit.
- Cups too small or causing bulging? Keep the band size that fits securely and try a larger cup.
- Cups too large or gapping? Try a smaller cup while keeping the correct band size.
- Moulded cup fit: This style has structured moulded cups, so the cups should sit close to the bust without large gaps.
- Support & lift: This bra is designed to provide structured shaping and support, but the amount of lift can vary depending on your bust shape, band fit, cup fit, and adjustment.
- Underwire: This style includes underwire for added structure. If you prefer a wireless or soft-cup bra, another style may be more suitable.
Still unsure? Contact Customer Support before ordering and we’ll help you choose the best band and cup combination.
What customers love about it
Description
Description
Sculpted Support, Strapless Freedom, & Unshakable Confidence
Look elegant, feel beautifully lifted, and enjoy flawless posture-perfect support in every outfit you own. Many women struggle with daily shoulder groove pain and poor posture alignment from unsupportive standard bras, which can impact both physical comfort and outfit confidence.
The Magic Convertible Strapless Push Up Corset Posture Bra is our specialized engineering solution. Crafted to provide high-level back smoothing and therapeutic spine support, it simultaneously lifts and molds your silhouette without a single digging underwire.
Featuring an adaptable multi-way design, it transitions effortlessly from a daily posture corrector to an invisible, slip-free strapless foundation. It is the ultimate investment for any woman looking to look and feel completely confident, pain-free, and perfectly supported.
Fabric & Care
Fabric & Care
Premium Material Blend
- Main Body: 75% High-Density Luxury Nylon, 25% Structural Spandex Core.
- Side Wings: 100% Shadows-Free Power-Mesh Elastic Performance weave.
Intimate Apparel Care Instructions To preserve the elastic modulus of the smoothing bands and protect the internal side-boning, follow these simple care steps:
- Hand Wash Recommended: Wash gently in cool water with a mild detergent to preserve fabric memory and maximize garment longevity.
- Color Separation: Wash separately from dark colors to prevent surface discoloration.
- Air Dry Only: Lay flat to dry in the shade. Avoid bleach, fabric softeners, and high-heat tumble dryers to prevent damage to the non-slip perimeter linings.
Shipping and returns
Shipping and returns
Shipping & Delivery
We offer FREE Tracked Shipping on all orders over £25 📦
(Orders below £25 are charged a flat rate of £3.95).
We process all orders swiftly between Monday and Friday. Please note that we require 2 to 3 working days on average to securely fulfill and quality-check your garment before dispatch. Rest assured we are doing everything in our power to get your order to you as soon as possible! Once your order is dispatched, your estimated delivery timeline across the UK is between 4 to 10 business days.
Please consider any local holidays or global events that might impact delivery times. Please factor this timeline into your calendar if purchasing for a specific wedding, holiday, or event dress fitting!
Returns
We offer hassle-free returns to our nearest dispatch center. To start a return just contact our support team at support@magicbra.co.uk and we will make the process easy and effortless.
For health and hygiene reasons, we do not accept returns on undies or used items, and they are not eligible for refunds.
Why Buy From Us?
Why Buy From Us?
Size guide
Size guide
Getting the right bra fit is easy! Just follow these two simple steps.
Step 1: Find Your Underbust Measurement
- Ask a friend to help measure, or stand in front of a mirror.
- Relax your arms by your sides.
- Wrap a measuring tape snugly around your ribcage, just below your bust.
- Make sure the tape is straight and level all the way around.
- It's best to do this without a bra, or with a strapless, unpadded bra (make sure the tape isn't measuring over the bra itself).
- This measurement is your UNDERBUST size.
Step 2: Find Your Bust Measurement
- Put on a strapless, unpadded bra.
- Wrap the measuring tape around the fullest part of your bust (usually over your nipples).
- Hold the tape firm but not too tight, making sure it's straight across your back and parallel to the floor.
- This measurement is your BUST size.
Ask a question
Ask a question
Why You'll Love It From Day One
Corset-Style Support
Convertible & Strapless Option
Provide Maximum Support
Reduce Back Pain
Seamless Comfort
Enhance Your Curve
We Get These Questions A Lot
Supportive answers for your most common bra dilemmas.
How do I choose the right size for this bra?
Measure your underbust and fullest bust and compare both with the Size Chart. Because this is a structured corset-style bra, your usual bra size may not always be the best match.
What should I do if the band feels too tight?
If the band digs in or feels too restrictive, try the next band size up while making sure the cups still fit correctly.
Does this bra have moulded cups and underwire?
Yes. This style features moulded cups and underwire for added shape and structure. If you prefer a wireless style, you may want to try our Magic Seamless V-Neck Wireless Bra, Magic Strapless Front Buckle Convertible Wireless Bra, Magic Wireless Sports Bra, or Posture Bra Wireless Lift Up instead.
What if the band feels loose or the bra slips down?
A secure band is important for strapless support. If the band feels loose or moves when you wear it, try a smaller band size.
What if the cups feel too small or cause bulging?
If the band fits securely but the cups feel tight, pinch, or cause bulging, keep the band size and try a larger cup size.
What if the cups feel too big or gap?
If there is empty space or gapping in the cups, try a smaller cup while keeping the band size that feels secure.
How much lift and support should I expect?
This bra is designed to provide structured shaping and support. The amount of lift can vary depending on your bust shape, band fit, cup fit, and how the bra is adjusted. For the best support, make sure both the band and cups fit securely.
What if I’m between sizes or not sure what to order?
Do not automatically size the whole bra up or down. Focus on getting a secure band and enough cup coverage, and contact Customer Support if you need help choosing the best combination.
Because Magic Bra isn’t a promise — it’s proof. 75,000+ women wear it, love it, and say it’s the best switch they’ve made.
Customers praised this strapless bra for exceptional support and lift, especially for larger busts. "One of the best strapless bras I have ever owned," with corset structure providing secure all-day wear. Note: runs large—most recommend sizing down. Proper measurements and snug band fit are key for optimal support and comfort.
- 5 stars: 25 (63%)
- 4 stars: 13 (33%)
- 3 stars: 2 (5%)
- 2 stars: 0 (0%)
- 1 star: 0 (0%)
I was so unsure about buying a bra online but I am so glad I did. It's so soft, fits perfectly, and looks good too!! I hate bras normally but don't mind wearing this one! I got a 40C which is what I typically wear.
band felt right but the cups were a bit tight. kept the same band n went up a cup, sorted the bulgin n the coverage is way better now 👍
i was stuck between two sizes n couldnt work out if it was the band or the cup that needed changin. emailed them my measurements n they came back same day tellin me exactly which one to change. saved me orderin twice honestly, wish id done it the first time round rather than guessin n sendin one back 😌
Finding a great bra as a woman with a bigger bust is always a challenge, but I was thoroughly satisfied with this. It held up wonderfully for a strapless bra, and I really appreciated the interior lining to reduce slipping. It hugs nicely in the back, and the corset structure works exactly as intended. The nude color is fantastic for wearing under light clothing, and the black is my absolute favorite. It served me reliably and became a daily staple for me.
i went looser first thinkin itd be comfier n it just moved about on me all day. got the band fittin properly snug n it stays put now, way more supportive strapless where theres nothin else holdin it 😌
measured my underbust n bust before orderin instead of just pickin my usual size. fit was much better for it n the band feels secure without bein uncomfy 😌
This is easily one of the best strapless bras I have ever owned. The structure provides incredible lift and support without slipping down constantly. It smooths everything out in the back and feels secure all day. Absolutely worth buying if you have struggled to find a reliable strapless bra.
If a big busted girl, buy it! no over-pouring. no rolling. stay put lift. smooth back and underarms. keeps shape. easy wash. super comfortable.
first cup had a bit too much room n gapped at the top. went down a cup, kept the band the same, n it sits properly now
I have finally stumbled upon the holy grail of strapless bras. In my 15 years of wearing bras, I never thought I would find a strapless option that actually stays secure and provides real lift. All my back smoothing issues are completely gone, and it feels comfortable all day long. Buy this—it is true to size and an absolute game-changer.
This was a properly comfy bra and spot on for size. It provides just the right amount of support to keep everything in place without being too tight a squeeze. Grand job!
This bra is absolutely cracking, I would highly recommend it. Proper support and spot on for size. A brilliant find!
Was a bit worried the smaller size might be tight, but it's actually just right. Still relaxed without looking scruffy.
If you're between sizes, go for the smaller one for sure. It's already got a roomy fit.
Went down a size and it's finally the look I was after.
Runs pretty big, followed the advice to size down and I'm chuffed. New favourite piece.
I normally wear a Large, but the Medium fits exactly how I wanted. Material's top quality, just mind the sizing.
Had to send the first one back as it was far too big, but the smaller size fits perfectly. Dead comfy.
Really nice piece, just bear the measurements in mind. Sizing down made all the difference.
A bit bigger than expected at first, but honestly? It's perfect.
It's cut quite oversized, so unless you're after a really baggy look, go down a size. Exchange was dead easy too.
Perfect fit once I sized down
Sized down and it's spot on! Had to send the first one back as it was far too big, but the smaller size fits perfectly. Dead comfy.
Smaller size arrived today and it's a solid 10/10. Definitely recommend going down a size for the best fit.
Swap it for a smaller size and you'll love it.
Massive at first, but swapping for a smaller size was well worth it.
Massive at first, but lovely once you get the right size.
Brilliant quality item, but yes it's oversized. Went down a size and it's still nicely relaxed.
So glad I checked the reviews. The small fits more like a medium!
Love the quality, just grab a size down from your usual.
Definitely runs large. Dropped a size and now it fits like a dream.
I love these bras. Unfortunately I had an issue at first but it was dealt with promptly and efficiently. Great company, will definitely order more.
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