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Woman wearing the Open-Back Long A-Line Prom Dress: Atria 6505H—sleeveless navy blue gown with a deep V-neckline and high slit—poses against a white background for an elegant, formal evening look.
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A woman stands with her back to the camera against a white background, wearing the Open-Back Long A-Line Prom Dress: Atria 6505H, a floor-length gown in deep blue with thin straps and a dramatic low back.
Product image 3, can be opened in a modal.
A grid of fabric swatches labeled with shades like Barbie, Forest Green, Lilac, Navy, and Victorian Rose—ideal for choosing the perfect color for your Open-Back Long A-Line Prom Dress: Atria 6505H.

Open-Back Long A-Line Prom Dress: Atria 6505H

AT-6505H

Regular price $506.00
Regular price Sale price $506.00
Shipping calculated at checkout.
Color: Light Blue
Size: XSmall What size am I?
  • Custom Order Ships April 29, 2026
Description

Celebrate timeless beauty when you slip into this long a-line prom dress 6505H from Atria Couture. A true classic style, this long a-line evening gown flatters the figure from the surplice v-neckline to the hem. Offered in misses and some plus sizes, this beautiful long formal dress has a wide waistband that tops the a-line skirt. A flirty side slit and open back complete the look of this long a-line prom dress that is made in the USA for prom, galas, and other formal events.

Details
Fabric: 100% Polyester
Length: Floor Length
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