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An iconic Saint Laurent silhouette, the Opyum sandals stand out through their sculptural YSL heel and sleek patent finish. The square open toe and delicate ankle strap create a sharp, feminine line with a distinctly statement-making attitude.
Elegant and architectural, this pair captures the house’s signature glamour while remaining refined enough for eveningwear and elevated occasion dressing.
Color: Black
Material: Patent calf leather
Style: High-heel sandals with ankle strap
Toe shape: Open square toe
Heel: Sculptural gold-tone YSL stiletto heel
Detail: Embossed logo insole
Condition: Brand new with tags
For additional specifications, contact our concierge via WhatsApp.
Toutes nos mesures suivent le système européen standard. En cas de doute entre deux tailles, nous recommandons de prendre la taille supérieure.
Ceintures
Femme · Homme
Taille ceinture
Tour de taille (cm)
Pouces (in)
Taille FR / IT
UK / US
75
65 – 70 cm
26 – 28"
36
XS
80
70 – 75 cm
28 – 30"
38
S
85
75 – 80 cm
30 – 32"
40
M
90
80 – 85 cm
32 – 34"
42
L
95
85 – 90 cm
34 – 36"
44
XL
100
90 – 95 cm
36 – 38"
46
XXL
Règle simple : Taille ceinture = tour de taille + 10 cm. Exemple : tour de taille 75 cm → ceinture taille 85.
Comment choisir votre taille
Mesurez votre tour de taille en centimètres avec un mètre ruban souple
Ajoutez 10 cm pour obtenir votre taille de ceinture
En cas de doute entre deux tailles, optez pour la taille supérieure
Sandales & Mules
Femme · Pointures européennes
EU
FR / IT
UK
US
Longueur pied (cm)
35
35
2.5
5
22.0 cm
36
36
3.5
6
22.5 cm
37
37
4
6.5
23.5 cm
38
38
5
7.5
24.0 cm
39
39
6
8.5
25.0 cm
40
40
6.5
9
25.5 cm
41
41
7.5
10
26.5 cm
42
42
8
10.5
27.0 cm
Nos modèles correspondent à la pointure indiquée en système européen. Pour les sandales compensées, votre pointure habituelle convient. Pour les mules plates, votre taille standard s'applique.
Comment mesurer votre pointure
Posez votre pied sur une feuille et tracez son contour
Mesurez du talon au bout du pied le plus long
Mesurez en fin de journée — le pied est légèrement plus grand
All our measurements follow the European standard sizing system. If you are between two sizes, we recommend choosing the larger size.
Belts
Women · Men
Belt Size
Waist (cm)
Inches (in)
FR / IT Size
UK / US
75
65 – 70 cm
26 – 28"
36
XS
80
70 – 75 cm
28 – 30"
38
S
85
75 – 80 cm
30 – 32"
40
M
90
80 – 85 cm
32 – 34"
42
L
95
85 – 90 cm
34 – 36"
44
XL
100
90 – 95 cm
36 – 38"
46
XXL
Simple rule: Belt size = waist measurement + 10 cm. Example: 75 cm waist → belt size 85.
How to find your size
Measure your waist in centimetres using a soft tape measure
Add 10 cm to get your belt size
If between two sizes, choose the larger one
Sandals & Mules
Women · European sizing
EU
FR / IT
UK
US
Foot length (cm)
35
35
2.5
5
22.0 cm
36
36
3.5
6
22.5 cm
37
37
4
6.5
23.5 cm
38
38
5
7.5
24.0 cm
39
39
6
8.5
25.0 cm
40
40
6.5
9
25.5 cm
41
41
7.5
10
26.5 cm
42
42
8
10.5
27.0 cm
Our styles are true to size in European sizing. For platform sandals, your usual size applies. For flat mules, your standard size works.
How to measure your foot
Place your foot on paper and trace its outline
Measure from heel to tip of your longest toe
Measure at end of day — feet are slightly larger then
• Every item sold by 404Deal is professionally authenticated before shipment. • Each product undergoes a rigorous inspection process verifying materials, craftsmanship, and brand authenticity. • Your purchase is protected by our 12-month authenticity guarantee. • Shop with complete confidence.
Returns & Refunds
We offer a simple and transparent return process. Please review the conditions below before initiating a return.
Return window
The return period applicable to each item is indicated directly on its product page. Please refer to it before placing your order.
Return shipping fee
A return shipping is the responsibility of the customer. This amount will be deducted from the final refund.
Return conditions
Item must be unworn and in the same condition as received.
All original packaging, tags, accessories, and documents must be included.
Items showing signs of wear, missing components, or altered condition may be refused.
How to initiate a return
Three ways to request a return :
① Via your customer account
Log in to your 404Deal account, go to your order and click "Request return". This is the fastest method.
② By email
Send your order number to return@404deal.com
③ By WhatsApp
Send us your order number at +33 6 87 55 50 60
What happens next
A shipping label will be sent to you within 24 hours.
Ship the item back in its original packaging.
Once received and inspected, your refund — minus the return fee — will be issued within 5 business days to your original payment method.
Returns may be refused if items show signs of wear, missing components, or altered condition.
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