Chanel 31 Flap Bag (Medium) Calfskin in Navy Blue
Shoulder Bag and Top Handle, structured large flap silhouette with fold-over design and base zip compartment · Chanel, privately held luxury fashion house. Tier: Haute Luxury / Haute Couture. Renowned for timeless craftsmanship, exquisite leather goods, and iconic silhouettes like the 2.55 and Classic Flap.
Collection: Chanel 31 Collection, introduced in the Fall/Winter 2018 Ready-to-Wear collection. Permanent/seasonal high-fashion line.

Style
Shoulder Bag and Top Handle, structured large flap silhouette with fold-over design and base zip compartment
Brand
Chanel, privately held luxury fashion house. Tier: Haute Luxury / Haute Couture. Renowned for timeless craftsmanship, exquisite leather goods, and iconic silhouettes like the 2.55 and Classic Flap.
Material
Smooth calfskin leather with diamond quilting on the upper body and horizontal channel quilting on the lower zip compartment. Constructed with precision machine stitching, folded edges, and exceptionally supple hand-feel.
Dimensions
Approximately 35 cm x 30 cm x 10 cm (13.8 in x 11.8 in x 3.9 in). Considered a Large or Maxi size variant in the 31 bag family.
Description
An architectural and highly versatile statement piece, the Chanel 31 Flap Bag brilliantly bridges the gap between structured practicality and runway avant-garde. Named after the French expression 'se mettre sur son 31' (meaning to dress up in your best), this bag can be worn fully expanded over the shoulder or folded in half to be carried casually as a oversized clutch. Crafted from supple navy calfskin with classic diamond quilting and accented by gleaming silver hardware, it is a sophisticated collector's favorite.
Key Features
Transformable design (can be worn unfolded as a large shoulder tote or folded in half as a clutch); distinctive lower wrap-around zipper with a hanging CC logo charm; dual-texture quilting (diamond top, horizontal bottom).
Material & Construction
Smooth calfskin leather with diamond quilting on the upper body and horizontal channel quilting on the lower zip compartment. Constructed with precision machine stitching, folded edges, and exceptionally supple hand-feel.
Color & Pattern
Rich navy blue with a smooth semi-matte finish. Features diamond quilting on the upper portion and parallel horizontal stitching on the lower base.
Hardware Details
Silver-tone metal hardware featuring a distinctive CC logo charm hanging from the lower wrap-around zip pull, interwoven leather-and-chain shoulder straps, and grommets. High-polished metallic finish with crisp Chanel engravings.
Interior Description
Burgundy or matching textile lining with interior zip pockets and slip pockets for organization. Includes Chanel heat stamp and authenticity hologram sticker placement inside.
Closure Type
Fold-over top flap opening paired with a wrap-around lower zip compartment. Flexible folding allows the bag to be carried as a large clutch or by its shoulder straps.
Strap & Handle Details
Interwoven leather-and-chain shoulder straps accompanied by a flat leather handle band across the top back panel, allowing the bag to be folded in half and carried flat as a portfolio clutch.
Craftsmanship Details
Impeccable stitch alignment across both the diamond and horizontal quilted panels. Smoothly finished edges, flawless tension on machine stitching, and expertly weighted chain-and-leather straps reflecting top-tier luxury standards.
Authentication Indicators
Symmetrical diamond quilting pattern that aligns cleanly; consistent stitch count per inch; crisp, deep-stamped Chanel Made in France/Italy heat seal; high-precision hardware engraving on the CC charm; correct font usage and serial hologram alignment.
Origin & Manufacturing
Made in France or Italy, crafted in Chanel's premier luxury ateliers following strict traditional French saddle-making and leather-working standards.
Era & Period
Contemporary (Late 2010s to present). Introduced by Karl Lagerfeld for the Fall/Winter 2018 collection, representing a modern shift toward versatile, transformable luxury accessories.
Age Estimate
Circa 2018 to recent years, based on the model's debut in late 2018 and ongoing seasonal fabric/color releases.
Cultural Significance
Representing Karl Lagerfeld's late-era vision for functional yet ultra-chic luxury, the 31 Bag captured the street-style zeitgeist of the late 2010s by championing multi-way transformability.
Condition Notes
Exterior calfskin is smooth with clean quilting and minimal signs of wear; hardware displays high luster with no notable tarnishing; structure remains strong and retains original folding shape. Overall condition: Excellent to Pristine.
Value Estimate
Resale market value typically ranges from $3,500 to $5,500 USD depending on condition, color rarity, and inclusion of original box and dust bag, compared to original retail prices exceeding $5,000.
Care & Maintenance
Store in its original dust bag stuffed with acid-free tissue paper to maintain structure. Avoid prolonged exposure to direct sunlight and moisture. Condition the smooth calfskin periodically with a specialized luxury leather conditioner.
Similar Handbags
Chanel Gabrielle Bag, Chanel 19 Flap Bag, Chanel Classic Flap Large. Key differences lie in the 31's unique ability to be folded completely in half to transform into a flat clutch.
Interesting Facts
The bag's name is a direct nod to the Parisian address of Chanel's historic headquarters at 31 Rue Cambon, as well as the French idiom for dressing up impeccably.