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Floor-Length Backless Evening Gown in Radiant Yellow for Festive Occasions | Flowing Criss-Cross Back Formal Dress with Deep V Neckline and Waist Tie Detailing | Koossa


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

Size Guide

Women's Clothing

SizeUKBust (cm)Waist (cm)Hips (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 between sizes, size up for a relaxed fit.

Dispatched Mon 29 Jun
🇬🇧 Free UK Delivery
2-Year Guarantee Quality assured
30-Day Returns Hassle-free

Floor-Length Backless Evening Gown in Radiant Yellow

This floor-length evening gown in radiant yellow brings warmth and elegance to every festive gathering. The deep V neckline frames the décolletage beautifully, whilst the open criss-cross back creates a striking focal point as you move through the room. A delicate waist tie cinches gently at the natural waistline, enhancing your silhouette without restricting movement. The flowing skirt cascades to the floor in soft folds, lending an effortless grace to your stride. Designed for women who appreciate refined details and understated glamour, this gown is your companion for holiday soirées, anniversary dinners, and formal celebrations where you wish to feel both confident and comfortable.

Why You'll Love It

  • Criss-cross open back: adds architectural interest and a contemporary edge to a classic silhouette.
  • Deep V neckline: elongates the neck and balances the flowing hemline with structured elegance.
  • Floor-length skirt: moves gracefully with every step, offering timeless sophistication and coverage.
  • Waist tie detail: defines your shape subtly, creating a feminine finish without excess fuss.
  • Radiant yellow hue: brings a cheerful, sunlit warmth to winter evenings and festive celebrations.
  • Flowing, relaxed fit: ensures all-evening comfort whilst maintaining a polished, formal appearance.

Perfect For

This gown is ideal for festive parties, formal dinners, winter weddings, and milestone celebrations where elegance is expected. Pair it with metallic heels in gold or silver, a slim evening clutch, and delicate jewellery — perhaps drop earrings or a fine bracelet — to complete your look. The radiant yellow hue complements both warm and cool skin tones, and the open back invites you to wear your hair swept up or to one side. Whether you're raising a toast at a New Year's gathering or attending a black-tie event, this gown ensures you'll feel poised, comfortable, and beautifully dressed. Layer a tailored evening wrap or cashmere shawl over your shoulders if the evening turns cool.

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
Floor-Length Backless Evening Gown in Radiant Yellow for Festive Occasions | Flowing Criss-Cross Back Formal Dress with Deep V Neckline and Waist Tie Detailing | Koossa
Floor-Length Backless Evening Gown in Radiant Yellow for Festive Occasions | Flowing Criss-Cross Back Formal Dress with Deep V Neckline and Waist Tie Detailing | Koossa Sale price£59.95
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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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