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Women's Slim-Strap Maxi Dress with Side Slit for Wedding Guests | Elegant Floor-Length Gown in Navy Black Pink Burgundy Sage | Spring Summer Evening Wear | Koossa


Low stock!
Free delivery Free UK delivery — includes tracking
Money-back guarantee 30-day money-back guarantee
Colour:Navy
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 Wed 1 Jul
🇬🇧 Free UK Delivery
2-Year Guarantee Quality assured
30-Day Returns Hassle-free

Timeless Elegance for Celebrations

This floor-length maxi dress brings understated sophistication to any wedding or formal occasion. The slim shoulder straps create a graceful neckline, whilst the carefully placed side slit allows ease of movement without compromising modesty. Crafted from a lightweight, fluid fabric, it drapes beautifully and moves with you throughout the day and into the evening. Available in five refined shades, this dress is designed for women who appreciate classic elegance with a contemporary silhouette.

Why You'll Love It

  • Slim shoulder straps: A delicate, modern neckline that flatters the shoulders and collarbones with effortless grace.
  • Side slit detail: Positioned to offer freedom of movement whilst maintaining an elegant, polished appearance throughout the day.
  • Full-length silhouette: Flows from bust to hem in a flattering, streamlined cut that suits a range of body shapes.
  • Lightweight construction: Ideal for warm-weather celebrations, garden parties, and evening receptions where comfort matters.
  • Versatile colour palette: Choose from navy, black, pink, burgundy, or sage green to suit your personal style and the occasion.
  • Easy to accessorise: Pairs beautifully with statement jewellery, heeled sandals, and a clutch for a complete wedding-guest look.

Perfect For

Whether you're attending a spring garden wedding, a summer evening reception, or a formal celebration, this maxi dress offers the perfect balance of sophistication and ease. The flowing silhouette ensures you feel comfortable throughout the ceremony and reception, whilst the refined cut and elegant slit add a touch of contemporary style. Dress it up with heels and a statement necklace for daytime elegance, or add a light wrap and drop earrings for evening glamour. It's a versatile addition to your occasionwear wardrobe that you'll reach for season after season.

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 Slim-Strap Maxi Dress with Side Slit for Wedding Guests | Elegant Floor-Length Gown in Navy Black Pink Burgundy Sage | Spring Summer Evening Wear | Koossa
Women's Slim-Strap Maxi Dress with Side Slit for Wedding Guests | Elegant Floor-Length Gown in Navy Black Pink Burgundy Sage | Spring Summer Evening Wear | Koossa Sale price£84.95
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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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