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Bestseller

Women's Open Back Bra — Invisible Support Backless Bra for Evening Wear and Special Occasion Dresses | Koossa


Low stock!
Free delivery Free UK delivery — includes tracking
Money-back guarantee 30-day money-back guarantee
Colour:2x Beige
Size:

Size Guide

Women's Clothing · All measurements in cm

SizeUKBust (cm)Waist (cm)Hip (cm)
XS6–880–8460–6486–90
S8–1084–8864–6890–94
M10–1288–9468–7494–100
L12–1494–10074–80100–106
XL14–16100–10680–86106–112
XXL18–20106–11486–94112–120
3XL20–22114–12294–102120–128

All measurements are body measurements. If you are between sizes, we recommend sizing up for a more relaxed fit.

Dispatched Sat 11 Jul
🇬🇧 Free UK Delivery
2-Year Guarantee Quality assured
30-Day Returns Hassle-free

Women's Open Back Bra — Invisible Support for Backless Elegance

Designed for the woman who refuses to compromise between elegance and comfort, this open back bra offers the invisible support you need for backless dresses and low-cut evening wear. Engineered with a flexible, adjustable fit, it moulds seamlessly to your silhouette whilst remaining completely concealed beneath even the most revealing necklines and open backs. Whether you're attending a wedding, gala, or cocktail reception, this backless bra stays securely in place all day and night, giving you the freedom to move, dance, and enjoy yourself without a second thought.

Why You'll Love It

  • Completely invisible support: No visible straps, hooks, or lines — just seamless confidence beneath backless and low-cut garments.
  • Adjustable and secure fit: Flexible design adapts to your shape, staying firmly in place without constant adjustment.
  • All-day comfort: Feels like a second skin, allowing you to wear it from morning through evening without discomfort.
  • Effortless to wear: Simple to put on and remove — no frustrating hooks or complicated fastenings.
  • Superior to adhesive alternatives: Reliable hold that doesn't lose its grip or irritate sensitive skin over time.
  • Freedom of movement: Dance, move, and celebrate freely — this bra moves with you, not against you.

Perfect For

This open back bra is your essential foundation piece for any occasion demanding an elegant backless silhouette. Ideal for wedding guests, evening events, cocktail parties, and formal gatherings where a traditional bra simply won't do. Pair it with backless gowns, halter-neck dresses, plunge-back tops, and any garment where visible straps would detract from your polished appearance. It's the confident woman's secret to looking effortlessly put-together whilst feeling entirely comfortable. Suitable for everyday wear beneath low-back blouses and shirts, as well as special occasions where you want to feel both supported and sophisticated.

Free UK delivery on every order — no minimum spend required.

Your order is carefully packaged and sent with full tracking, so you always know exactly when to expect your delivery.

Order today and we'll dispatch it the next working day.

Not quite right? You have 30 days to return your purchase — no questions asked.

We also offer a 2-year guarantee against manufacturing faults, because we stand behind everything we sell.

1
Contact us Email us with your order number and reason for return.
2
Send it back Pack the item securely and post it to our returns address.
3
Receive your refund Once received, we'll process your return and refund within 5 working days.
Fit Guide ✓  True to Size
Runs small
Runs large
Women's Open Back Bra — Invisible Support Backless Bra for Evening Wear and Special Occasion Dresses | Koossa
Women's Open Back Bra — Invisible Support Backless Bra for Evening Wear and Special Occasion Dresses | Koossa Sale price£39.95
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Frequently asked questions

How do I know this will fit me?
Each product page includes a detailed size guide. If you're between sizes, we recommend sizing up for a more comfortable, relaxed fit. Our customer care team is also happy to advise — simply get in touch before you order.
What is your returns policy?
We offer a straightforward 30-day returns policy. If you're not completely satisfied, contact our team with your order number and we'll guide you through the process. Refunds are issued within 5 working days of receiving your return.
How do you ensure the quality of your clothing?
Every garment in the Koossa collection is selected for its fabric quality, construction, and longevity. We work with carefully chosen suppliers and assess each piece for fit, finish, and durability before it reaches you.
Are the colours accurate in the product photos?
We photograph each item in natural light to represent colour, texture, and drape as faithfully as possible. Please note that screen settings can vary slightly, but we do our best to ensure what you see is what you receive.
When will my order arrive?
Orders placed today are dispatched the next working day. All deliveries include full tracking so you can follow your parcel every step of the way. Free UK delivery is included on every order, with no minimum spend.
Why shop with Koossa?
Koossa was created for those who dress with intention. We curate timeless, well-made clothing and accessories for the over-50s — people who value quality over trends, and style over noise. Every order is backed by free delivery, easy returns, and genuine customer care.
The Koossa team in our boutique The Koossa team
Our Promise

We stand behind every piece we sell

We started Koossa because we believed fashion could be both timeless and trustworthy. Every garment is personally selected for its quality, cut, and craftsmanship. If it wouldn't meet our own standards, it doesn't reach yours. That's not a policy — it's simply how we work.

30day
No-questions returns window
0.5%
Of customers ever use it
5day
Refund processed within
30-Day Money-Back Guarantee Not satisfied? We'll refund you in full — no forms, no fuss. Simply contact us within 30 days.
Free UK Delivery On every order
Easy Returns 30-day hassle-free returns
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