Australian label / Evening Gowns
SIR the Label Siella Strapless Gown in Black
The SIR the Label Siella Strapless Gown in Black comes from SIR. (Separates, Intimates, Ready-to-wear), the Australian label founded in 2014 by Nikki Campbell and Sophie Coote. Luxury Handbags stocks it as part of our Evening Gowns edit, and every piece is checked for authenticity before it leaves us.
In black, the Siella Strapless Gown is a gown worked in form fitting nylon fabrication with technical hand feel. Look for the strapless and frill detailing along neckline and side edge. It works for a birthday dinner and weekends away.
Quick Facts
- Brand: SIR the Label, Australia, founded in 2014 by Nikki Campbell and Sophie Coote, flagship store in Bondi, Sydney
- Product: Siella Strapless Gown in Black
- Collection: Fall 2026
- Colour: Black
- Material: Main 90% nylon, 10% spandex. Lining 90% nylon, 10% spandex
- Size and fit: SIR sizes 0 to 4 are shown here as UK 6 to 14 (size 0P, the petite cut, as UK 4). The model is 182 cm tall and wears SIR size 1.
- Origin: designed in Australia
- Authenticity: 100% authentic SIR the Label, verified by Luxury Shoes
- Delivery and returns: the terms for your country are in the Luxury Handbags logistics and returns protocol
How to Wear the Siella Strapless Gown in Black
Wear the Siella Strapless Gown with a slim belt and gold jewellery. For a different look, try a tailored blazer over the shoulders.
Good for a birthday dinner and weekends away. For more ideas, browse the full SIR the Label edit.
PRODUCT DETAILS
| Brand | SIR the Label, Australia |
| Category | Evening Gowns |
| Colour | Black |
| Material | Main 90% nylon, 10% spandex. Lining 90% nylon, 10% spandex |
| Size and fit | SIR sizes 0 to 4 are shown here as UK 6 to 14 (size 0P, the petite cut, as UK 4). The model is 182 cm tall and wears SIR size 1. |
| Care | Dry clean only, do not bleach, do not tumble dry, cool iron, cover hardware. |
| Origin | designed in Australia |
| Style code | SIR-SIELLA-STRAPLESS-GOWN-BLACK |
About SIR the Label
SIR the Label is an Australian label founded in 2014 by Nikki Campbell and Sophie Coote. The name stands for Separates, Intimates, Ready-to-wear, and the house now has a flagship in Bondi and stores in Sydney, Melbourne, Brisbane and Perth. Its look is relaxed and grown up: silk slip dresses and bias gowns, linen and cotton for summer, sharp tailoring in wool suiting, fine knits and a swimwear line built on prints that run through the whole collection. SIR designs to its own 0 to 4 sizing, which Luxury Handbags shows on the UK ladder so you can choose with confidence.
“This is SIR at its best: an easy gown with a sharp line.”
Gemma Deeks, Fashion Editor at Luxury Shoes
How SIR the Label Compares
Shoppers looking at SIR the Label often also consider
Posse,
Christopher Esber and
Aje from Australia, and
Toteme for the same pared back mood.
Frequently Asked Questions
Is the SIR the Label Siella Strapless Gown in Black authentic?
Yes. Every SIR the Label piece sold by Luxury Handbags is 100% authentic and is checked before dispatch.
What size should I order in the Siella Strapless Gown in Black?
Order your usual size. SIR 0 equals UK 6, SIR 1 equals UK 8, SIR 2 equals UK 10, SIR 3 equals UK 12 and SIR 4 equals UK 14.
What is the Siella Strapless Gown in Black made of?
The Siella Strapless Gown in Black is made of Main 90% nylon, 10% spandex. Lining 90% nylon, 10% spandex.
How do I care for the Siella Strapless Gown in Black?
Dry clean only, do not bleach, do not tumble dry, cool iron, cover hardware.
Where is SIR the Label from?
SIR the Label is an Australian label with its flagship store in Bondi, Sydney. This piece: designed in Australia.
Who founded SIR the Label?
Nikki Campbell and Sophie Coote founded SIR. in 2014. The name stands for Separates, Intimates, Ready-to-wear. The label is known for silk dresses, easy tailoring, linen and swimwear with a relaxed Australian line.
How does delivery work?
Delivery options, duties and returns depend on your country. The full terms are in the Luxury Handbags logistics and returns protocol.
More from SIR the Label at Luxury Shoes
Australian designers
Complete the look
Last updated 13-Oct-26 | Curated and authenticated by Luxury Shoes
