Cart

Your cart is empty
Women's Wide-Leg Black Jumpsuit — Elegant All-in-One for Evening Occasions & Summer Parties | Koossa
Women's Wide-Leg Black Jumpsuit — Elegant All-in-One for Evening Occasions & Summer Parties | Koossa
Women's Wide-Leg Black Jumpsuit — Elegant All-in-One for Evening Occasions & Summer Parties | Koossa
Women's Wide-Leg Black Jumpsuit — Elegant All-in-One for Evening Occasions & Summer Parties | Koossa
Women's Wide-Leg Black Jumpsuit — Elegant All-in-One for Evening Occasions & Summer Parties | Koossa
Women's Wide-Leg Black Jumpsuit — Elegant All-in-One for Evening Occasions & Summer Parties | Koossa
Women's Wide-Leg Black Jumpsuit — Elegant All-in-One for Evening Occasions & Summer Parties | Koossa
Women's Wide-Leg Black Jumpsuit — Elegant All-in-One for Evening Occasions & Summer Parties | Koossa
Bestseller

Women's Wide-Leg Black Jumpsuit — Elegant All-in-One for Evening Occasions & Summer Parties | Koossa

 Low stock!
Free delivery Free UK delivery — includes tracking
Money-back guarantee 30-day money-back guarantee
Colour:Black
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 Thu 16 Jul
🇬🇧 Free UK Delivery
2-Year Guarantee Quality assured
30-Day Returns Hassle-free

Effortless Elegance in One Graceful Silhouette

This women's wide-leg jumpsuit offers a refined alternative to separates, combining the ease of one-piece dressing with the sophistication of tailored evening wear. The flowing wide-leg silhouette moves beautifully with every step, creating a statuesque, elongated line that flatters without restriction. Whether you're attending a garden party, summer wedding, or intimate dinner, this versatile jumpsuit delivers understated glamour and all-day comfort. The fitted bodice gently defines your waist, whilst the relaxed leg sweep ensures freedom of movement and a confident, contemporary finish.

Why You'll Love It

  • Waist-Defining Fit: Gently cinched at the waist to accentuate your natural shape without feeling restrictive.
  • Wide-Leg Silhouette: Flowing trousers create an elegant, airy profile that moves gracefully and flatters all heights.
  • Versatile Styling: Dress up with heels and statement jewellery for evenings, or wear with flats and a blazer for daytime elegance.
  • One-Piece Simplicity: No need to coordinate separates — instant polish with minimal effort.
  • Timeless Design: A modern classic that transcends seasonal trends and suits a range of occasions.
  • Comfortable All-Day Wear: Thoughtful cut ensures you feel confident and at ease from morning to evening.

Perfect For

This elegant wide-leg jumpsuit is your go-to choice for summer garden parties, outdoor weddings, cocktail receptions, or sophisticated city dining. Its clean lines and graceful drape make it equally suitable for daytime events and evening gatherings. Pair with strappy heels and a clutch for a polished evening look, or style with loafers and a silk scarf for a refined daytime ensemble. The versatile design transitions seamlessly across seasons — layer beneath a tailored coat in cooler months, or wear solo during warmer weather. Wherever the occasion, you'll feel poised, polished, and entirely yourself.

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 Wide-Leg Black Jumpsuit — Elegant All-in-One for Evening Occasions & Summer Parties | Koossa
Women's Wide-Leg Black Jumpsuit — Elegant All-in-One for Evening Occasions & Summer Parties | Koossa Sale price£54.95
Complete the look

You May Also Like

The Koossa Community

Worn by you

Koossa community
Koossa community
Koossa community
Koossa community
Koossa community
Koossa community
Koossa community
Koossa community
Koossa community
Koossa community
Koossa community
Koossa community

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
Secure Payment SSL encrypted checkout