Woman wearing the metallic cowl neck mermaid maxi dress with adjustable spaghetti straps, a ruched bodice, low open back, and shimmering figure-hugging silhouette, perfect for weddings, black-tie events, proms, and formal evening occasions.
Woman wearing the metallic cowl neck mermaid maxi dress with adjustable spaghetti straps, a ruched bodice, low open back, and shimmering figure-hugging silhouette, perfect for weddings, black-tie events, proms, and formal evening occasions.
Woman wearing the metallic cowl neck mermaid maxi dress with adjustable spaghetti straps, a ruched bodice, low open back, and shimmering figure-hugging silhouette, perfect for weddings, black-tie events, proms, and formal evening occasions.
Woman wearing the metallic cowl neck mermaid maxi dress with adjustable spaghetti straps, a ruched bodice, low open back, and shimmering figure-hugging silhouette, perfect for weddings, black-tie events, proms, and formal evening occasions.
Woman wearing the metallic cowl neck mermaid maxi dress with adjustable spaghetti straps, a ruched bodice, low open back, and shimmering figure-hugging silhouette, perfect for weddings, black-tie events, proms, and formal evening occasions.
Woman wearing the metallic cowl neck mermaid maxi dress with adjustable spaghetti straps, a ruched bodice, low open back, and shimmering figure-hugging silhouette, perfect for weddings, black-tie events, proms, and formal evening occasions.
Woman wearing the metallic cowl neck mermaid maxi dress with adjustable spaghetti straps, a ruched bodice, low open back, and shimmering figure-hugging silhouette, perfect for weddings, black-tie events, proms, and formal evening occasions.
Woman wearing the metallic cowl neck mermaid maxi dress with adjustable spaghetti straps, a ruched bodice, low open back, and shimmering figure-hugging silhouette, perfect for weddings, black-tie events, proms, and formal evening occasions.
Woman wearing the metallic cowl neck mermaid maxi dress with adjustable spaghetti straps, a ruched bodice, low open back, and shimmering figure-hugging silhouette, perfect for weddings, black-tie events, proms, and formal evening occasions.
Woman wearing the metallic cowl neck mermaid maxi dress with adjustable spaghetti straps, a ruched bodice, low open back, and shimmering figure-hugging silhouette, perfect for weddings, black-tie events, proms, and formal evening occasions.
Woman wearing the metallic cowl neck mermaid maxi dress with adjustable spaghetti straps, a ruched bodice, low open back, and shimmering figure-hugging silhouette, perfect for weddings, black-tie events, proms, and formal evening occasions.
Woman wearing the metallic cowl neck mermaid maxi dress with adjustable spaghetti straps, a ruched bodice, low open back, and shimmering figure-hugging silhouette, perfect for weddings, black-tie events, proms, and formal evening occasions.
Woman wearing the metallic cowl neck mermaid maxi dress with adjustable spaghetti straps, a ruched bodice, low open back, and shimmering figure-hugging silhouette, perfect for weddings, black-tie events, proms, and formal evening occasions.
Woman wearing the metallic cowl neck mermaid maxi dress with adjustable spaghetti straps, a ruched bodice, low open back, and shimmering figure-hugging silhouette, perfect for weddings, black-tie events, proms, and formal evening occasions.
Woman wearing the metallic cowl neck mermaid maxi dress with adjustable spaghetti straps, a ruched bodice, low open back, and shimmering figure-hugging silhouette, perfect for weddings, black-tie events, proms, and formal evening occasions.
Woman wearing the metallic cowl neck mermaid maxi dress with adjustable spaghetti straps, a ruched bodice, low open back, and shimmering figure-hugging silhouette, perfect for weddings, black-tie events, proms, and formal evening occasions.
Woman wearing the metallic cowl neck mermaid maxi dress with adjustable spaghetti straps, a ruched bodice, low open back, and shimmering figure-hugging silhouette, perfect for weddings, black-tie events, proms, and formal evening occasions.
Woman wearing the metallic cowl neck mermaid maxi dress with adjustable spaghetti straps, a ruched bodice, low open back, and shimmering figure-hugging silhouette, perfect for weddings, black-tie events, proms, and formal evening occasions.
Woman wearing the metallic cowl neck mermaid maxi dress with adjustable spaghetti straps, a ruched bodice, low open back, and shimmering figure-hugging silhouette, perfect for weddings, black-tie events, proms, and formal evening occasions.
Woman wearing the metallic cowl neck mermaid maxi dress with adjustable spaghetti straps, a ruched bodice, low open back, and shimmering figure-hugging silhouette, perfect for weddings, black-tie events, proms, and formal evening occasions.
Woman wearing the metallic cowl neck mermaid maxi dress with adjustable spaghetti straps, a ruched bodice, low open back, and shimmering figure-hugging silhouette, perfect for weddings, black-tie events, proms, and formal evening occasions.
Woman wearing the metallic cowl neck mermaid maxi dress with adjustable spaghetti straps, a ruched bodice, low open back, and shimmering figure-hugging silhouette, perfect for weddings, black-tie events, proms, and formal evening occasions.
Woman wearing the metallic cowl neck mermaid maxi dress with adjustable spaghetti straps, a ruched bodice, low open back, and shimmering figure-hugging silhouette, perfect for weddings, black-tie events, proms, and formal evening occasions.
Woman wearing the metallic cowl neck mermaid maxi dress with adjustable spaghetti straps, a ruched bodice, low open back, and shimmering figure-hugging silhouette, perfect for weddings, black-tie events, proms, and formal evening occasions.
Woman wearing the metallic cowl neck mermaid maxi dress with adjustable spaghetti straps, a ruched bodice, low open back, and shimmering figure-hugging silhouette, perfect for weddings, black-tie events, proms, and formal evening occasions.
Woman wearing the metallic cowl neck mermaid maxi dress with adjustable spaghetti straps, a ruched bodice, low open back, and shimmering figure-hugging silhouette, perfect for weddings, black-tie events, proms, and formal evening occasions.
Woman wearing the metallic cowl neck mermaid maxi dress with adjustable spaghetti straps, a ruched bodice, low open back, and shimmering figure-hugging silhouette, perfect for weddings, black-tie events, proms, and formal evening occasions.
Woman wearing the metallic cowl neck mermaid maxi dress with adjustable spaghetti straps, a ruched bodice, low open back, and shimmering figure-hugging silhouette, perfect for weddings, black-tie events, proms, and formal evening occasions.
Woman wearing the metallic cowl neck mermaid maxi dress with adjustable spaghetti straps, a ruched bodice, low open back, and shimmering figure-hugging silhouette, perfect for weddings, black-tie events, proms, and formal evening occasions.
Woman wearing the metallic cowl neck mermaid maxi dress with adjustable spaghetti straps, a ruched bodice, low open back, and shimmering figure-hugging silhouette, perfect for weddings, black-tie events, proms, and formal evening occasions.
Woman wearing the metallic cowl neck mermaid maxi dress with adjustable spaghetti straps, a ruched bodice, low open back, and shimmering figure-hugging silhouette, perfect for weddings, black-tie events, proms, and formal evening occasions.
Woman wearing the metallic cowl neck mermaid maxi dress with adjustable spaghetti straps, a ruched bodice, low open back, and shimmering figure-hugging silhouette, perfect for weddings, black-tie events, proms, and formal evening occasions.

Women's Metallic Cowl Neck Mermaid Maxi Dress – Elegant Evening Gown

£47.95
/
Shipping calculated at checkout.

  • Free Deilivery with Royal Mail

  • 30-Day Hassle-Free Returns
Colour
Size
♡ The more you add, the more you save
2 ITEMS
10%
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3 ITEMS
15%
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4 ITEMS
20%
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5+ ITEMS
25%
OFF ENTIRE ORDER
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Radiant Glamour for Unforgettable Evenings

The Women's Metallic Cowl Neck Mermaid Maxi Dress is designed to make a striking entrance at every special occasion. Crafted from shimmering metallic fabric, this elegant maxi dress features a softly draped cowl neckline, a flattering ruched bodice, and a graceful mermaid silhouette that enhances your natural shape. Finished with a low open back and adjustable spaghetti straps, Siegrid is the perfect choice for weddings, black-tie events, proms, gala dinners, cocktail parties, and formal evening celebrations.

Features

  • Elegant cowl neckline with soft draped detail
  • Flattering ruched bodice for a sculpted silhouette
  • Adjustable spaghetti straps for a personalised fit
  • Low open back for a sophisticated finish
  • Figure-enhancing mermaid silhouette with flared hem
  • All-over metallic shimmer fabric for eye-catching elegance
  • Concealed back zip fastening

Material & Care

  • Soft metallic stretch blend fabric
  • Fully lined for comfort and coverage
  • Gentle cold hand wash or professional dry clean
  • Hang to dry and steam on a low setting if required

Fit & Sizing

  • True to size
  • Figure-hugging fit through the bodice and hips
  • Mermaid maxi-length silhouette
  • Model wears UK Size 8

Estimated delivery time: In total, most orders arrive within approximately 6 to 10 business days from the time you place your order. Please read more about our Shipping Policy here.

If your order does not meet your expectations, you can return it within 30 days upon receipt.

Please read more about our 'Return and Refund Policy' here.

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FREQUENTLY ASKED QUESTIONS?

Yes, we currently offer free shipping on all orders.

For the latest details, please refer to our Shipping Policy or review the information shown at checkout.

We want you to shop with confidence for women’s and men’s fashion at By Hayley. If your order is not quite right, we aim to make the return and refund process as simple and transparent as possible.

30 Day Return Window

You may return eligible items within 30 days of receiving your order.

To qualify for a return, items must meet the following conditions:

  • The item must be unworn, unused, and in its original condition
  • All original tags, labels, and packaging must still be included
  • Any accessories that were included with the item must also be returned

If you need help at any stage, our customer support team is available to assist you.

Read more about our Return and Refund Policy.

Orders are typically processed and dispatched within 1 to 2 business days.

After dispatch, delivery usually takes around 5 to 8 business days. In most cases, orders arrive within approximately 6 to 10 business days from the date the order is placed.

For more detailed delivery information, please see our Shipping Policy.

Most product pages include a size chart or measurements to help you select the correct size.

We recommend that you:

  • review the size guide carefully
  • think about whether you prefer a closer fit or a looser fit

If you’re unsure, feel free to contact us for personalized sizing advice.