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Big Fashion · Formal Selection
"Black doesn't seek attention. It commands it."
Long black formal halter-neck dress with an open back and side slit
A long, form-fitting evening silhouette defined by three bold elements: a halter neckline, a fully open back, and a side slit. Minimalist at the front yet striking in motion, it is designed for an evening look free from unnecessary decorative clutter.
An evening silhouette in pure black
The silhouette is the key detail
The impact of this design comes not from ornamentation, but from the way the dress shapes the overall evening silhouette. The halter construction leaves the shoulders and back visually open, while the long, fitted cut accentuates the elongated line of the body.
The side slit breaks up the length and adds movement. The black color keeps the composition minimalist, allowing the dress to be styled for a formal gala, a cocktail party, a dinner, or a special occasion.
Design Architecture
Halter Neck
Open neckline framing the shoulders and back.
Open Back
The dress's main dramatic focal point.
Side Slit
Opens up the silhouette during movement.
Form-Fitting
Long, body-hugging evening silhouette.
01
Open Back
A bold evening accent with a clean back profile.
02
Side Slit
Adds dynamism to the long silhouette.
03
Stretch Fabric
90% polyester and 10% elastane.
04
No Zipper or Lining
Clean, streamlined construction. One color · maximum impact
Black makes the cut the focal point of the look
The monochrome style allows the open back, halter neckline, and slit to remain the key visual highlights.
Black
Fabric and feel
Stretch for a form-fitting silhouette
The fabric consists of 90% polyester and 10% elastane. The high elastane content—compared to many standard textile blends—supports the garment's elasticity and form-fitting cut.
For proper care, follow the symbols and instructions on the manufacturer's label.
90%
Polyester
10%
Elastane
Maxi length · Form-fitting · No zipper · Unlined
Size and fit
Check measurements before selecting
Sizes S, M, and L have a listed length of 130 cm. Compare bust, waist, and hip measurements with your own before ordering.
Size Bust (cm) Waist (cm) Hips (cm) Length (cm)
S 80–86 60–68 76–86 130
M 82–88 66–74 80–90 130
L 84–90 68–76 86–96 130
Important styling detail
An open back requires discreet underwear
Standard bra straps and closures may be visible with this type of open-back design. For a clean, seamless look, choose a suitable backless-dress solution and smooth, seamless underwear for the lower half. Style Inspiration
One black dress, several evening scenarios
Formal dinner
Minimalist jewelry and elegant shoes.
Cocktail party
Small evening bag and a clean metallic accent.
Special occasion
Elongated high-heeled shoes and delicate earrings.
Evening event
Let the open back be the focal point of the look.
Product Details
Confirmed specifications
Category: Long formal evening dress
Top: Halter neck
Back: Open back
Detail: Side slit
Fit: Body-hugging
Length: 130 cm
Closure: No zipper
Lining: Unlined
Sizes: S, M, L
Color: Black
Fabric: 90% Polyester + 10% Elastane
Manufacturer: Big Fashion
Origin: Turkey
Importer: JF-Style Ltd.
Before You Order
Practical questions about the model
Does the dress have a zipper?
No. The style is zipper-free.
Is it lined?
No. The dress is unlined.
How long is it?
The length is 130 cm for sizes S, M, and L.
What underwear is suitable for an open back?
An invisible solution designed for open-back styles is recommended, paired with smooth, seamless underwear for the fitted section.
How quickly is the order shipped?
Orders placed via Econt by 3:00 PM on a business day are shipped the same day. For locations with an Econt office, the delivery time is 1 business day; other addresses are served according to a schedule.
Can the dress be returned or exchanged?
Requests can be made within 14 days of receipt. The product must be in its original condition, showing no signs of wear or odors, and with all tags and packaging intact. The process begins via the official form on Un-Angelo.com.
Continue exploring the evening collection
Discover more long and formal dresses
Browse more styles for evening events, formal occasions, and special moments.
Evening dresses
Long dresses
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Express 24-hour delivery
Subject to conditions for locations with an Econt office
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Beautiful and completely discreet
JF-Style Ltd.
Importer · Big Fashion · Origin: Turkey
Un-Angelo.com – Un amore per sempre!
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