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Spacer bra Arum Prima
Spacer bra Arum Prima
Spacer bra Daily Softness
The spacer bra shapes your bust without adding volume, thanks to thin, breathable cups. All our styles are underwired, from a C to an E cup in UK sizes, for support that lasts all day. Under a T-shirt, you will soon forget you are wearing it.
Why choose a spacer bra for a fuller bust?
A natural shape with no extra volume
When your bust is already generous, you rarely want to make it bigger. The spacer cup follows the shape of the breast and gently rounds it without padding it out. That is the whole point of a plus size spacer bra: a balanced silhouette, with no push-up effect.
A breathable fabric, even when it is warm
Thick foam soon feels hot under a jumper or in the height of summer. The airy spacer knit reduces that feeling, which makes it a breathable bra you can wear from morning to night without a second thought.
Discreet under a T-shirt or a fine top
The smooth cups leave no lines under fine knits or close-fitting tops, so it works as a true T-shirt bra. For an outfit with no visible lines from top to toe, our range of invisible lingerie is the perfect match.
Spacer bra or lightly lined bra: which one is right for you?
Both are discreet, but in different ways. A classic lightly lined bra uses very thin moulded foam: it smooths the bust perfectly and gives a little more structure. A spacer cup bra focuses on a breathable fabric and a more natural shape. If you often feel warm or wear your bra for long hours, the spacer will be more comfortable. For a perfectly smooth finish under a fitted dress, the classic moulded cup remains a safe choice. You will find all our moulded styles among our moulded cup bras.
How to choose your spacer bra
Underwired for real support
A lightweight cup alone is not enough to support a fuller bust, which is why all our spacer bras are underwired. Depending on the style, the full-cup cut encloses the breast, the stretch lace back moves with you and the straps adjust to your shape. The result is an underwired spacer bra you can rely on every day. More structured shapes are waiting for you in our underwired bras range.
From C to E cup, back sizes 32 to 40
Our spacer styles come in UK back sizes 32 to 40, mostly from a C to a DD cup (EU C to E). The Daily Softness line goes up to a UK E cup (EU F), in 36E and 38E. If that is your size, discover all our EU F cup bras. To avoid hesitating between two sizes, our bra size guide explains how to measure yourself.
Black, beige, hazelnut or skin tone: which colour for which outfit?
Under a white or light top, a shade close to your skin tone is the most discreet. A beige spacer bra, such as the taupe beige of Arum Prima or the skin tone of Arum Skin, is then the best choice. The black spacer bra goes with dark outfits and dressier evenings. Warmer in tone, the hazelnut of Daily Softness blends in under deeper skin tones and camel shades.
Our spacer lines: Arum Prima and Daily Softness
Arum Prima pairs ultra-thin spacer cups with a stretch lace back. Gold-tone jewels and lacing between the cups give it a dressier look, in black or taupe beige, from a UK C to DD cup. It extends our Arum line, our best-seller for fuller busts.
Daily Softness was designed for every day. Its soft microfibre is combined with graphic lace across the whole back band, with satin-effect straps and a small gold-tone SC jewel on the side. It comes in hazelnut, from a UK C to E cup.
Frequently asked questions about spacer bras
What is a spacer bra?
It is a bra whose cups are made of spacer knit, a very thin, airy double-layer 3D fabric. It shapes the bust without padding it and lets air circulate.
What is the difference between a spacer bra and a classic moulded cup bra?
A classic cup is made of moulded foam: it smooths and structures the bust. A spacer cup is an airy knit, softer and more breathable, with a more natural shape. Both stay discreet under clothing.
Is a spacer bra suitable for a fuller bust?
Yes, as long as it is underwired. All our spacer styles are. Depending on the line, they range from a UK C to E cup, in back sizes 32 to 40.
Is a spacer bra invisible under a T-shirt?
Its smooth cups leave no lines under a T-shirt. For maximum discretion under a light top, choose a shade close to your skin tone rather than white. Styles with lace or jewels, such as Arum Prima, are slightly more visible under very tight tops.
Does a spacer bra make you sweat less than a padded bra?
Spacer knit lets air through far better than thick foam. You therefore feel the heat less, especially in summer or on long days.
Does a spacer bra add volume?
No. The spacer cup is very thin: it rounds the bust without increasing its volume. It is the opposite of a push-up or padded bra.
How do I choose the right size for my spacer bra?
Measure your underbust and your bust, then check our size guide to find the size that suits you. If you are between two sizes, our customer service team will be happy to advise you.
How should I care for a spacer bra?
Follow the instructions on the care label. As a rule, a gentle wash, by hand or in a laundry bag, preserves the shape of the cups. Avoid the tumble dryer and do not fold one cup into the other when storing it.




























