Nyx Maxi Dress by Lauven featuring a square neck and elegant slit in a sleek black design.

Nyx Maxi Dress

XS
$129.95
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Nyx Maxi Dress by Lauven featuring a square neck and elegant slit in a sleek black design.

Nyx Maxi Dress

Elegant Square Neck Maxi Dress in Black

$129.95
Size
Size guide

Garment measurements — inches and centimetres.

Size Bust Waist
XS32" (81 cm)24" (61 cm)
S34" (86 cm)26" (66 cm)
M35.5" (91 cm)28" (71 cm)
L38" (97 cm)30" (76 cm)
XL40" (102 cm)33" (84 cm)

These are garment measurements, not body measurements. Cuts vary, so where a dress carries its own chart that chart is shown here instead. The surest method: measure a dress you already wear and compare.

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Arrives by 13 October A ceiling, not an average — nine orders in ten arrive sooner.

The Nyx Maxi Dress is a refined black maxi dress designed with a clean square neckline, sleeveless cut, and a fluid mermaid silhouette. Crafted from a smooth polyester and spandex blend, this maxi dress offers a polished finish with subtle stretch, creating a sleek, modern look suitable for elevated evening settings.

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Thoughtful design details include a mid-waist construction, softly contoured seams, and a side slit that allows ease of movement while maintaining a streamlined profile. The structured bodice and long-length skirt create balanced proportions, making this maxi dress both sophisticated and comfortable for extended wear.

Ideal for formal occasions, evening events, and special gatherings, this black maxi dress transitions seamlessly from minimalist styling to statement accessories. Pair with classic heels or metallic accents for a timeless ensemble.

Style Features
  • Square neckline with clean, structured lines
  • Mermaid-style maxi dress silhouette
  • Sleeveless design with elegant shoulder straps
  • Side slit for refined movement
  • Smooth stretch fabric with a subtle sheen
Specifications
  • Materials & Fabric Composition: Polyester, Spandex
  • Care Instructions: Hand wash cold, do not bleach, hang to dry
  • Size & Fit Details: Mid-waist fit with light stretch for comfort
  • Measurements: Maxi length; refer to size chart for detailed bust, waist, and hip measurements
  • Closure: Pull-on style
Styling Guide
  • Style with pointed-toe heels for a classic evening look
  • Add a tailored blazer for a modern formal outfit
  • Pair with minimalist jewelry to highlight the neckline

A timeless maxi dress designed for refined evening styling.

Black maxi dress with modern lines and versatile elegance.

Discover elevated style with the Nyx Maxi Dress.

Product Details
  • Color: Black
  • Material: Polyester, Spandex
  • Pattern: Solid
  • Available Sizes: XS, S, M, L, XL
Sizing

Where the supplier listed it, the size and height of the model are shown under the size selector — use them as your reference point.

Garment measurements, fabric composition and care are in the Specifications section of the description above. Where a lining is used it is a full lining, not a half slip.

Why it takes what it takes

Cut and sewn in our partner workshop once you order. Your order reaches it in 1–2 business days — we measured 1.7.

Order at least four weeks before your event. See the measured delivery times for your country

Fabric & care

Fabric composition and care instructions are listed in the description above.

Where a lining is used it is a full lining, not a half slip.

The Lauven gift box, closed and tied with the black ribbon

The box

It arrives like this

Folded in printed tissue, sealed, and set in a white magnetic box tied with a ribbon. On top, a card signed by Laura, who founded Lauven in Edinburgh.

  • The Lauven black satin ribbon
  • The signed card beside the open box

White magnetic box, black satin ribbon, printed tissue, signed card.

Made to order, not made to sit

What Lauven The usual
The cut Sewn after you order Made in bulk, months ahead
The sizes Measurements published, size by size One block reused across styles
The date An arrival date, measured An estimate nobody measures
The stock Nothing made that nobody ordered Overstock, then markdowns

If it is not right on you

A dress is bought without trying it on. That is our problem to carry, not yours.

  • 30 days to change your mind
  • Unworn, tags still on
  • Return starts from your order page
  • Free delivery, tracked

Who you are buying from

A small team, one partner workshop, no warehouse. Your dress is made after you order it.

Write to help@lauven.shop — a person answers.

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