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Sac de Jour
Concealed engraved lock and key setA hidden branded lock mechanism.A detail resale buyers and authenticators check (Front closure area), correct shape, finish, and placement here support a higher verified resale value.
Expandable press-stud side gussetsSnap studs on the sides that let the bag expand.A detail resale buyers and authenticators check (Side panels), correct shape, finish, and placement here support a higher verified resale value.
Protective metal feetStuds on the base.A detail resale buyers and authenticators check (Base of bag), correct shape, finish, and placement here support a higher verified resale value.
Center zip compartment between two open compartmentsInterior three-part layout.A detail resale buyers and authenticators check (Interior, center divider), correct shape, finish, and placement here support a higher verified resale value.
Structured top handlesRigid double handles.A detail resale buyers and authenticators check (Top handles), correct shape, finish, and placement here support a higher verified resale value.
Gold- or silver-tone hardwareFinish of the lock and zipper pulls.A detail resale buyers and authenticators check (Lock and zipper hardware), correct shape, finish, and placement here support a higher verified resale value.
Suede-lined interiorLining material.A detail resale buyers and authenticators check (Interior walls), correct shape, finish, and placement here support a higher verified resale value.

Sac de Jour

Saint Laurent
Stable
Resale Retail
Resale value range
$1,000 to $2,300
Retail price range
$1,990 to $3,990
MaterialGrained calfskin leather
HardwareConcealed engraved lock and key set
Introduced2013
Categorytop-handle, tote

The Sac de Jour is Saint Laurent's structured, minimalist tote, introduced in 2013 under Hedi Slimane and fronted by Freja Beha Erichsen in its debut campaign. Its grained calfskin body, concealed engraved lock, and expandable side gussets earned it a reputation as an "off-duty model bag," worn by Kate Moss, the Hadid sisters, and Angelina Jolie.

Sizes & Variants

Sac de Jour Sizes

Sac de Jour Nano
Nano
Smallest, accessory-sized
8.5" x 6.75" x 4"

The smallest Sac de Jour, sized as a compact accessory bag rather than a full work tote.

$700 – $1,100
Sac de Jour Baby
Baby
Compact everyday size
10.25" x 8" x 4.5"

A step up from the Nano, small enough for daily use while retaining the structured boxy silhouette that defines the line.

$1,000 – $1,500
Sac de Jour Small
Small
Popular everyday size
12.5" x 10" x 6"

A versatile, widely carried size offering meaningful daily capacity in the classic structured build.

$1,300 – $1,900
Medium
Work-tote size
14" x 10.5" x 7.5"

The largest standard size, positioned as a full work tote with room for a laptop and daily essentials.

$1,600 – $2,300
Sizes & Variants

Construction

Sac de Jour Souple (Soft)
Souple (Soft)
Relaxed construction

A relaxed, unstructured leather execution offered as a standing alternative to the structured original, trading the rigid silhouette for a slouchier, more casual shape.

$1,100 – $1,900
Resale Intelligence

Is the Sac de Jour Worth Buying?

The Sac de Jour holds 60-70% of retail in neutral leather colorways, among the more dependable resale performers in Saint Laurent's catalog: the compact Nano and Baby sizes typically resell for $1,000-$1,500, while the Small and Medium reach $1,500-$2,300, tracking a $1,990-$3,990 retail range across the run. The Souple (soft) construction resells slightly below the structured original given its less iconic silhouette, generally $1,100-$1,900 depending on size. The takeaway: the structured Baby and Small sizes in classic black or neutral grained calfskin are the strongest resale holds in the line, while the Souple version is best bought for its slouchier everyday comfort rather than resale performance.

Background

History of the Sac de Jour

Hedi Slimane introduced the Sac de Jour in 2013 as one of the first leather-goods statements of his tenure as Saint Laurent's creative director, and its name, literally "day bag", signaled its intent as a minimalist, structured alternative to the more decorative bags dominating the category at the time. The debut campaign fronted by Danish model Freja Beha Erichsen leaned into a stripped-down, androgynous aesthetic that matched Slimane's broader design direction for the house, and the bag's boxy silhouette, grained calfskin, and near-invisible branding (just a small concealed, engraved lock) marked a deliberate contrast to more overtly logoed competitors.

Since launch, the Sac de Jour has expanded into a Nano-to-Medium size range and picked up a distinct "Souple" (soft) construction as a standing alternative to the original structured build, offering a more relaxed, slouchy version of the same silhouette for buyers who want the design without the rigid shape.

Cultural Significance

The Sac de Jour quickly earned the nickname "off-duty model bag" in fashion press, a reputation built on real-world sightings of Kate Moss, Bella and Gigi Hadid, Rosie Huntington-Whiteley, Jennifer Lopez, and Angelina Jolie carrying it in candid, non-editorial settings rather than on a red carpet. That off-duty association became central to the bag's identity, it reads as a working bag for people who happen to be famous, rather than a statement accessory.

Its minimalist, barely-branded design also made it a favorite among buyers who wanted a recognizably high-end bag without an obvious logo, a positioning that set it apart from more overtly branded competitors in the same price tier and helped it become one of the defining structured totes of the mid-2010s.

Common Questions

FAQ

How much is a Saint Laurent Sac de Jour worth?
Resale value typically ranges from $700 for the Nano size to $2,300 for the Medium, generally 60-70% of retail in neutral leather colorways, one of Saint Laurent's more dependable resale performers.
What sizes does the Sac de Jour come in?
An ascending run from Nano (smallest, accessory-sized) through Baby, Small, and Medium (the largest, a full work-tote size).
What is the Sac de Jour Souple?
A relaxed, unstructured leather construction offered as a standing alternative to the original structured Sac de Jour, trading the rigid boxy silhouette for a slouchier, more casual shape. It resells slightly below the structured version.
Why is the Sac de Jour called the "off-duty model bag"?
It earned that nickname from repeated candid sightings on models and celebrities including Kate Moss, the Hadid sisters, and Angelina Jolie in real-life, non-editorial settings, reinforcing its identity as a minimalist working bag rather than a statement accessory.
Is the Saint Laurent Sac de Jour a good investment?
It holds value well relative to other Saint Laurent totes, typically retaining 60-70% of retail in structured, neutral-leather configurations. The Baby and Small sizes in classic black are the strongest resale holds in the line.