# Ruby open-back semi-sheer cocktail dress

- **Brand:** SIR.
- **Price:** $525.00 ~~$750.00~~
- **Catalog:** mytheresa
- **Retailer:** mytheresa
- **Product URL:** https://go.cosimo.shop/r/gAAAAABqp5j264stghCyh7WmiSET143sb-Ag66S2sIuOetQMq51PEIpuDxIPOxzZfYvBmowqVoZ92ufs5oQZA0BbqLT_QOqOzotSE6mpM-37w6Qd3zzat9hTIVqxyv2XhtE-H6WJ9dt1JAfjldfo15Ll4DUFK5nxsgu0n5632wYJSRfDiwY0Nx6766IxAx9w4F5hg1yoqXJ-wD41pN8GxNhQ35-WKHVRZcH56Sj_e7-qa4OyQ8IihO25rozz3RmtOikL3pTl7b-VxhNiYYlvYW3at8nTzp4KBaMXepXO-M5h0mgqb-aHGXgcDHH3dHCvWU7jqZIDqhkvxGEVerWgUuE3UsGArt9TurGZ3Nk__BZrFH2_odvSozl3YhGkeckYuLZSbfLbhrn7s98RrW6LbHcuunBGeQKSyBbzX3fMJ7opmg9Zz6Hd8SvPtQrZ-ygVjBeA52Omu-1LL_lrOOMDN-JR4vKQbjH7XIOBme_qoVX3o6zrZ61byXA=
- **Availability:** In stock

## Summary

Blue semi-sheer jersey cocktail dress featuring a high neckline, ruched waist detailing, and an open back.

## Description

An acronym for “separates, intimates, and ready-to-wear”, SIR sets the standard for easy-to-wear wardrobe staples. The Ruby cocktail dress is crafted from a semi-sheer jersey and boasts an alluring open back.

## Appearance

- **Colors:** blue
- **Sizes:** 00, 0, 1, 2, 3, 4 (per-size availability under Variants)
- **Materials:** 100% polyester

## Variants

- **In stock:** 2 of 6
- **Available:** 2, 3
- **Color (all variants):** blue

| Size | SKU | Availability |
| --- | --- | --- |
| 00 | P01074207-2 | Out of stock |
| 0 | P01074207-3 | Out of stock |
| 1 | P01074207-4 | Out of stock |
| 2 | P01074207-5 | In stock |
| 3 | P01074207-6 | In stock |
| 4 | P01074207-1 | Out of stock |

## Categories

- **Categories:** Clothing > Dresses > Summer Dresses > SIR

## Additional Attributes

- **color:** blue
- **lining:** 100% polyester
- **made in:** China
- **material:** 100% polyester
- **item color:** blue
- **two piece set:** Two-piece set
- **care instructions:** dry clean

## Enrichment

- **Type:** cocktail dress
- **Type Synonyms:** party dress, midi dress, evening dress
- **Gender:** female
- **Age Groups:** adult
- **Tags:** open back, semi-sheer, ruched waist, high neck, sleeveless, jersey fabric
- **Styles:** elegant, feminine, modern
- **Colors:** blue
- **Color Families:** Blue
- **Category Path:** Apparel & Accessories > Clothing > Dresses
- **Neckline:** Mock Neck
- **Skirt/Dress length type:** Maxi
- **Dress style:** Backless
- **Dress occasion:** Cocktail
- **Construction Detail:** Ruched
- **Fabric:** Polyester
- **Opacity:** Semi-Sheer
- **Sleeve length type:** Sleeveless
- **Graphic Type:** Solid / No Print
- **Pattern:** Solid
- **Canonical Brand:** SIR.

## Images

- ![Image 1](https://cdn.octogen.ai/d60762a72565373edf145aaf077706e9/f1f362ecaf0b6143af0637ead950b552.webp)
- ![Image 2](https://cdn.octogen.ai/d60762a72565373edf145aaf077706e9/99c374f3f1dfb391e1b55d4277c8f3fb.webp)
- ![Image 3](https://cdn.octogen.ai/d60762a72565373edf145aaf077706e9/3bb2f4c3273337090707296523af2b31.webp)
- ![Image 4](https://cdn.octogen.ai/d60762a72565373edf145aaf077706e9/9a81afd9b7afe1e48f57021edc9b3e83.webp)
- ![Image 5](https://cdn.octogen.ai/d60762a72565373edf145aaf077706e9/f0957ac21be2353af8f6a98a4739c7f1.webp)
- ![Image 6](https://cdn.octogen.ai/d60762a72565373edf145aaf077706e9/c5cbcb4c19ee9997fb8757466e8f5f0f.webp)

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*Source: cosimo.shop | Product ID: aa690cd5-b592-4d0d-a9d4-0f2bc600214b | Canonical URL: https://cosimo.shop/product/sir/ruby-open-back-semi-sheer-cocktail-dress-aa690cd5-b592-4d0d-a9d4-0f2bc600214b*