Saint Laurent’s Sac de Jour is a structured tote with top handles, accordion gussets and a clean, architectural profile. Introduced in 2013, it is designed to carry as a polished work or day bag. Many versions include a detachable shoulder strap and a removable padlock, but details depend on the model.
A modern structured work bag
The Sac de Jour’s name translates as “bag of the day,” and its silhouette is built around practical structure rather than a seasonal ornament. Side gussets expand the interior, while the central opening and internal compartments create a more organised layout than an open shopper tote. Leather ties at the sides can be adjusted to change the profile.
Saint Laurent has released the style in several sizes and constructions, including softer interpretations. The padlock and key holder are often treated as signature details, though accessory sets vary. Check whether the listing includes the lock, keys, strap and dust bag, and make sure those pieces correspond to that specific reference.
Choosing a size and carrying it
A structured bag can protect papers and hold a professional shape, but it is heavier and less flexible than a soft tote. Measure the laptop, files or water bottle you carry and verify both the base and top opening. The gussets add room but may not accommodate wide objects without changing how the bag closes.
If you plan to carry it over the shoulder, confirm the strap length and whether the attachment points are comfortable when the bag is loaded. A top-handle bag with a detachable strap can offer options, but it will not behave exactly like a purpose-built crossbody. Avoid overfilling: stressed handles and gussets are expensive to repair.
Condition and resale
Inspect corners, base feet, piping, handle edges, gussets, zipper, strap clips, padlock and key cover. Ask for a side view showing whether the bag stands upright and whether the leather has softened or collapsed. Coloured and grained leathers show wear differently; recolouring can conceal damage and should be disclosed.
Compare the exact size, leather, logo treatment, condition and included pieces. Retail availability and prices vary by country and season. A Sac de Jour’s classic shape does not guarantee resale value; assess it as a bag you want to own, then use a seller with documented authentication and return terms.
Frequently asked questions
What does Sac de Jour mean?
Sac de Jour translates from French as “bag of the day.”
Is the Saint Laurent Sac de Jour a work bag?
Its structured shape and compartmented interior suit work essentials for many owners, but capacity depends on the size. Measure your actual laptop and documents before buying.
References & further reading
Brand pages document the house’s own descriptions; independent museum records add historical context. Neither is a substitute for item-specific provenance or a professional assessment.
Independent editorial reference. Luxury Bag Journal is not affiliated with or endorsed by Saint Laurent. Product details and versions vary by year and market. This profile does not authenticate individual bags or predict resale value.