Black Viscose Cocktail Dress

€1.079,00 EUR

€1.429,00 EUR

Italian Size WOMEN:

Size Guide

Size	EU	IT/FR	US	Chest cm	Chest in	Waist cm	Waist in
XS	44	44	XS	82–86	32–34	70–74	27.5–29
S	46	46	S	86–90	34–35.5	74–78	29–30.5
M	48	48	M	90–94	35.5–37	78–82	30.5–32
L	50	50	L	94–98	37–38.5	82–86	32–34
XL	52	52	XL	98–102	38.5–40	86–90	34–35.5
XXL	54	54	XXL	102–106	40–41.5	90–94	35.5–37
XXXL	56	56	XXXL	106–110	41.5–43	94–98	37–38.5

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Size	EU	IT/FR	US Waist	Waist cm	Waist in	Hips cm	Hips in	Inseam cm	Inseam in
XS	44	44	28	72–74	28–29	88–92	34.5–36	79	31
S	46	46	30	76–78	30–30.5	92–96	36–38	80	31.5
M	48	48	32	80–82	31.5–32	96–100	38–39.5	81	32
L	50	50	34	84–86	33–34	100–104	39.5–41	82	32
XL	52	52	36	88–90	34.5–35.5	104–108	41–42.5	82	32
XXL	54	54	38	92–94	36–37	108–112	42.5–44	83	32.5
XXXL	56	56	40	96–98	38–38.5	112–116	44–45.5	83	32.5

EU	IT	US	UK	Foot cm	Foot in
39	39	6.5	6	24.5	9.5
40	40	7	6.5	25	9.75
41	41	8	7.5	25.5	10
42	42	9	8	26.5	10.25
43	43	9.5	9	27	10.5
44	44	10.5	9.5	27.5	10.75
45	45	11	10.5	28	11
46	46	12	11	28.5–29	11.25–11.5
47	47	13	12	29.5	11.5

Size	EU	IT/FR	US ★	Bust cm	Bust in	Waist cm	Waist in	Hips cm	Hips in
XS	32	36	0	78–80	30.5–31.5	58–60	23–23.5	84–86	33–34
S	34	38	2–4	82–84	32–33	62–64	24.5–25	88–90	34.5–35.5
M	36	40	6	86–88	34–34.5	66–68	26–26.5	92–94	36–37
L	38	42	8	90–92	35.5–36	70–72	27.5–28	96–98	38–38.5
XL	40	44	10	94–96	37–38	74–76	29–30	100–102	39.5–40
XXL	42	46	12	98–100	38.5–39.5	78–80	30.5–31.5	104–106	41–41.5
XXXL	44	48	14	102–104	40–41	82–84	32–33	108–110	42.5–43

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★ US 0 is a standard American women's size (EU 32 / IT 36).

Size	EU	IT/FR	US ★	Waist cm	Waist in	Hips cm	Hips in	Inseam cm	Inseam in
XS	32	36	0	58–60	23–23.5	84–86	33–34	75	29.5
S	34	38	2–4	62–64	24.5–25	88–90	34.5–35.5	77	30
M	36	40	6	66–68	26–26.5	92–94	36–37	78	30.5
L	38	42	8	70–72	27.5–28	96–98	38–38.5	79	31
XL	40	44	10	74–76	29–30	100–102	39.5–40	80	31.5
XXL	42	46	12	78–80	30.5–31.5	104–106	41–41.5	80	31.5
XXXL	44	48	14	82–84	32–33	108–110	42.5–43	81	32

EU	IT	US	UK	Foot cm	Foot in
35	35	5	2.5	22	8.75
36	36	5.5–6	3.5	22.5–23	9
37	37	6.5	4	23.5	9.25
38	38	7.5	5	24	9.5
39	39	8.5	6	24.5	9.75
40	40	9	6.5	25	9.75
41	41	10	7.5	25.5–26	10–10.25
42	42	10.5	8	26.5	10.5

IT / FR: Italian and French brands print this number on clothing tags. Men's IT/FR = EU. Women's IT/FR is 4 higher than EU (EU 36 = IT 40). For shoes, IT = EU for both.

View full size guide with brand fit notes →

L M S

Variant

Questions about fit or styling? Talk to us →

Authenticated and sourced from official channels. How we verify →

Delivered across the EU in 3–6 days, fully tracked.

EU duties included. Outside the EU, local customs may apply on arrival.

14 days to return. Unworn, simple, no friction.

Description

The Cassandre open-back ribbed-knit Dress by Saint Laurent features an elegant and sensual design. Crafted from recycled viscose, it has a figure-hugging knee-length silhouette that enhances the body with refined simplicity. The rounded neckline and thin adjustable straps define a feminine and delicate line. The open back adds a distinctive and sophisticated touch, enhanced by the rear Cassandre hook closure, an iconic house detail.

Season: SS26
Fit: Slim
Composition: 97% Viscose 3% Elastane

Authenticity & Curation

SIGNVM is a curated edit, not a catalogue. Each piece is chosen for material, cut, and make — and kept only if it earns its place. What you see is what we would wear. Nothing here is filler.

Every piece is authenticated before it ships. How we authenticate →

Shipping & Delivery

Delivered across the EU in 3–6 working days via DHL and FedEx, fully tracked. EU duties and taxes are included — no surprises at your door.

We ship worldwide. Orders outside the EU may be subject to local customs duties and taxes on arrival, charged by your country; delivery times vary by destination.

Not right? Return within 14 days of delivery, unworn and in original condition.

Black Viscose Cocktail Dress

€1.079,00 EUR

€1.429,00 EUR

Size	EU	IT/FR	US Waist	Waist cm	Waist in	Hips cm	Hips in	Inseam cm	Inseam in
XS	44	44	28	72–74	28–29	88–92	34.5–36	79	31
S	46	46	30	76–78	30–30.5	92–96	36–38	80	31.5
M	48	48	32	80–82	31.5–32	96–100	38–39.5	81	32
L	50	50	34	84–86	33–34	100–104	39.5–41	82	32
XL	52	52	36	88–90	34.5–35.5	104–108	41–42.5	82	32
XXL	54	54	38	92–94	36–37	108–112	42.5–44	83	32.5
XXXL	56	56	40	96–98	38–38.5	112–116	44–45.5	83	32.5

EU	IT	US	UK	Foot cm	Foot in
39	39	6.5	6	24.5	9.5
40	40	7	6.5	25	9.75
41	41	8	7.5	25.5	10
42	42	9	8	26.5	10.25
43	43	9.5	9	27	10.5
44	44	10.5	9.5	27.5	10.75
45	45	11	10.5	28	11
46	46	12	11	28.5–29	11.25–11.5
47	47	13	12	29.5	11.5

Size	EU	IT/FR	US ★	Waist cm	Waist in	Hips cm	Hips in	Inseam cm	Inseam in
XS	32	36	0	58–60	23–23.5	84–86	33–34	75	29.5
S	34	38	2–4	62–64	24.5–25	88–90	34.5–35.5	77	30
M	36	40	6	66–68	26–26.5	92–94	36–37	78	30.5
L	38	42	8	70–72	27.5–28	96–98	38–38.5	79	31
XL	40	44	10	74–76	29–30	100–102	39.5–40	80	31.5
XXL	42	46	12	78–80	30.5–31.5	104–106	41–41.5	80	31.5
XXXL	44	48	14	82–84	32–33	108–110	42.5–43	81	32

EU	IT	US	UK	Foot cm	Foot in
35	35	5	2.5	22	8.75
36	36	5.5–6	3.5	22.5–23	9
37	37	6.5	4	23.5	9.25
38	38	7.5	5	24	9.5
39	39	8.5	6	24.5	9.75
40	40	9	6.5	25	9.75
41	41	10	7.5	25.5–26	10–10.25
42	42	10.5	8	26.5	10.5

Authenticated

Verified before it ships. No replicas, no grey market.

Curated, not mass

Chosen on purpose. Nothing here is filler.

Here when you need us

Help with sizing, styling, and care.

On fit

Finding your size

Each SIGNVM piece carries its own measurements — open the size guide beside the size selector above for exact dimensions. When you are between sizes, we would take the smaller.