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Saint Laurent Slm40 Black Acetate Sunglasses
Excellent - 583 reviews
Saint Laurent

Saint Laurent Slm40 Black Acetate Sunglasses

$362.00 USD $528.00 USD
Size: UNICA

Size Guide

Women’s Clothing — International Conversion

IT3638404244464850
FR3234363840424446
UK4681012141618
US02468101214
DE3032343638404244
INTXXSXSSMLXLXXL3XL

How to Measure

Bust — measure around the fullest part of your bust, keeping the tape horizontal.

Waist — measure around your natural waistline.

Hips — measure around the fullest part of your hips.

Designer sizing can vary between brands and styles. Unsure about your size? Our concierge team is happy to help.
Wear it once a week and each wear costs just $6.96

FREE Express Shipping *Import tax/duty will be calculated at checkout (If applicable)

Estimated delivery: July 30 – August 04 (4–7 business days)

We ship directly from Italy 🇮🇹 and verify the authenticity of every product.

Hi, I'm Sarah 👋

I'll be with you throughout your Fashdes shopping journey. From order preparation to shipping updates and any return requests — I'll personally take care of every step. I'm here to make sure your experience is safe, personal, and truly special. 💫

Product Details

Specification Value
Season FW26
Composition ACETATE 100%
Color BLACK
Color Code 1000
Made In ITALY
ISO IT
Department Women
Section ACCESSORIES
Subsection SUNGLASSES
Size Information ONE SIZE
Size Code OS
Delivery & Duties

Worldwide delivery

Shipping Rates:

United States

  • Free shipping for orders over 350 USD*Import tax/duty will be calculated at checkout (If applicable)
  • 25 USD flat rate for orders below 350 USD

Other Countries

  • Free shipping for orders over 350 USD
  • 25 USD flat rate for orders below 350 USD

Express delivery via UPS / DHL / FedEx

Delivery time: 4–7 business days to most countries

Import duties

Customers from the European Union
For orders shipped to countries within the European Union, there are no customs duties. All prices are inclusive of value-added tax (VAT).

Customers outside the European Union
For orders shipped to countries outside European Union, delivery duties are included and will be calculated at the checkout. The price you see is the price you pay.

Import duties/taxes are non-refundable as Customs collect them in your country.

For more information, please review our Return Policy and Shipping Policy.
Return-No Reason

You have 7 days from the delivery date to request a return.

For customers in the European Union (Austria, Belgium, Bulgaria, Croatia, Cyprus, Czechia, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, and Sweden), you have the right to request a return within 14 days of receiving your item, in accordance with EU consumer protection law (EU Directive 2011/83/EU).

Return for Any Reason
We accept returns for any reason (sizing, style, etc.) provided items are unused and tagged.

Easy Return Process
We provide a pre-paid return label for your convenience.

Refund Options
Refunds are processed to your original payment method.

For more information, please review our Return Policy and Shipping Policy.

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Editor's Note

Timeless Acetate Investment

The silhouette is unembellished: wide rectangular lenses set in dense black acetate that reads as volume rather than ornament. Proportions are quietly confident — a gentle, angular front that sits close to the face and absorbs light with an even, muted lens tone.

Wear it with a pared-back blazer and high-rise trousers, a soft roll-neck knit and loafers, or with a long shirt dress and leather sandals; tonal blacks, warm camel and soft grey keep the effect considered. The scale of the frame balances both cropped and longer outerwear, lending structure without competing with tailoring.

These are for measured days — travel between cities, slow mornings at the airport, or a late-afternoon walk through the neighbourhood. They perform in transitional seasons, where restraint and clarity of line determine the mood.

Fit & details

ShapeRectangle
FrameAcetate
LensPlastic
PolarizationNon-polarized

How it feels

FrameAcetate
ShapeRectangle
LensPlastic
PolarizationNon-polarized

Where to wear

Everyday EssentialTravel EssentialCity Explorer

Not sure how to style it? Your stylist will put looks together for you →

Why this piece

Premium Material

Wardrobe roleAnchor
Formality3 - Smart Casual
AestheticScandi Minimal, Old Money

Your Exclusive Post-Order Journey

Estimated delivery in 4-7 business days. From checkout to your doorstep — every step handled with care.

Order Confirmed
Instant confirmation & order tracking activated.
Instantly
Authentication
Expert verification of every detail for authenticity.
1 Day
Quality Check
Careful inspection and secure packaging.
1 Day
Shipped
On its way with real-time tracking updates.
2 Days
Delivered
Your order arrives safely at your door.
4-7 Business Days

More Than a Luxury Boutique

The personal attention of a private shopping experience — at better prices, from your sofa
The Fashdes Experience
A Dedicated Representative
A single point of contact from your first message to every reorder. Knows your taste, size, and past purchases.
Up To 40% Below Retail
The same authentic pieces you would find in Milan or Paris boutiques, sourced directly and priced fairly.
200,000+ Curated Pieces
Gucci, Prada, Saint Laurent, Bottega and beyond. Italy's finest fashion houses, all in one destination.
Inspected Before Shipping
Every order passes through our quality control. Stitching, fabric, authenticity, fit — checked piece by piece.
Updates At Every Step
Real humans, fast replies. Kept informed from order confirmation to partner dispatch, quality inspection, and final delivery.
Traditional Boutique
A Rotating Sales Floor
Whoever is available that day. No continuity, no memory of what you loved last time.
Full Sticker Price Paid
You pay what is on the tag. No discounts, no alternatives.
Single-Store Inventory
Only the pieces that boutique carries, only in the sizes they happen to have.
Shelf-Ready, As Is
No second inspection, no quality check — what is on the rack is what you get.
Service Ends At The Door
Once you leave the store, so does the attention. Issues become your problem.
As Featured In

What Our Clients Say

4.2
Based on 583 reviews
Great service (89)Fast delivery (74)Authentic products (62)Helpful support (51)
Such a great customer service! I bought an YSL bag and it came in 3 days, Sarah was so helpful and nice, her response was so quick.
Emma L.Verified
Amazing customer service! The postal office caused delays, which I emailed about. Jord then kept me up to date and made sure it was delivered to the right address.
Sophie M.Verified
Great service, great quality products and personal care. Always a good experience shopping here, and if there rarely is a problem, they are always super helpful and friendly.
Laura K.Verified
Reviews verified by Fashdes

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