Skip to content

Cart

Your cart is empty

Bestseller

Women's Sleeveless Zip Neck Jumpsuit in Navy Blue Burgundy Brown Green Yellow Perfect for Weekend Casual Occasions Smart Casual Summer Spring Autumn Dressing | Koossa


Low stock!
Free delivery Free UK delivery — includes tracking
Money-back guarantee 30-day money-back guarantee
Colour:Navy Blue
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 Tue 30 Jun
🇬🇧 Free UK Delivery
2-Year Guarantee Quality assured
30-Day Returns Hassle-free

Effortless One-Piece Dressing

This sleeveless zip neck jumpsuit offers refined simplicity for the woman who values both comfort and contemporary style. Designed with a relaxed silhouette and adjustable zip neckline, it creates a streamlined shape that flatters without fuss. The practical side pockets and easy-care fabric make this a versatile choice for weekend outings, casual lunches, or relaxed social occasions. Available in five sophisticated colourways — navy blue, burgundy, brown, green, and yellow — it's a wardrobe essential that transitions effortlessly from season to season.

Why You'll Love It

  • Adjustable Zip Neckline: Wear it fastened for a polished look or slightly open for a more relaxed feel — you control the finish.
  • Flattering Relaxed Fit: Drapes smoothly over the body, creating an elegant silhouette that moves with you throughout the day.
  • Functional Side Pockets: Discreetly placed for carrying small essentials without disrupting the clean lines.
  • Easy-Wear Sleeveless Design: Perfect for layering with cardigans or blazers in cooler months, or wearing alone when the weather warms.
  • Versatile Colour Palette: Choose from timeless navy, sophisticated burgundy, earthy brown, fresh green, or vibrant yellow to suit your personal style.
  • Effortless Styling Options: Pair with trainers and a crossbody bag for weekend errands, or dress up with heeled ankle boots and statement jewellery for evening drinks.

Perfect For

This jumpsuit is ideal for the discerning woman who appreciates uncomplicated elegance and practical design. Wear it for relaxed weekend gatherings, shopping trips, casual dining, or garden parties. It's equally at home at a summer barbecue or an autumn gallery visit. Layer it with a lightweight blazer for smarter occasions, or throw on a denim jacket for a more laid-back finish. The comfortable fit and easy-care fabric make it a reliable choice for busy days when you want to look polished without spending hours in front of the mirror. A truly versatile piece that earns its place in any modern wardrobe.

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 Sleeveless Zip Neck Jumpsuit in Navy Blue Burgundy Brown Green Yellow Perfect for Weekend Casual Occasions Smart Casual Summer Spring Autumn Dressing | Koossa
Women's Sleeveless Zip Neck Jumpsuit in Navy Blue Burgundy Brown Green Yellow Perfect for Weekend Casual Occasions Smart Casual Summer Spring Autumn Dressing | Koossa Sale price£39.95
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