“matou bao” is a drawstring bag from the “matou” series, born from the idea of “wearing leather.” It features a plump, rounded form reminiscent of a steamed bun (bao). It is made from “Gradation,” the Japanese cowhide that is a...

The “matou bag” was born from the idea of wearing leather draped around the body. Making the most of the supple texture of Japanese cowhide, this leather bag is shaped into a form that naturally fits the body. A simple...

The “matou bag” was born from the idea of wearing leather draped around the body. Making the most of the supple texture of Japanese cowhide, this leather bag is shaped into a form that naturally fits the body. A simple design, subtly...

The “matou bag” was born from the idea of wearing leather draped around the body. Through much trial and error in design, material selection and sewing, this leather bag pursues a distinctive form and comfort in use. Though simple at first glance,...

A 2-way tote bag that makes an impression with its horsebit decoration and the rich character of its leather. Aiming to create a signature tote bag for kosh, every detail was carefully considered, from design and material selection to pattern...

A shoulder bag whose appeal lies in the beautiful drape and sculptural form created by supple Japanese cowhide. Aiming to create a signature large shoulder bag for kosh, every detail was carefully considered, from design and material selection to pattern...

A leather bag inspired by the military helmet bag, deconstructed and reconstructed again and again into a design unique to kosh. The main material is Japanese "matou leather," characterized by its supple texture and deep color. For the pockets and...

A bucket bag from kosh that combines a soft form with a refined, dignified presence. Through repeated trial and error in everything from design and material selection to sewing methods, we created a bag that balances a plump, three-dimensional shape...

Layering function onto the beauty of asymmetry.MISTRAL, a leather bag with an asymmetric form that symbolizes leather works KATSUYUKI TANAKA.The body uses a deep dark brown, and the flap and sides use a calm laurel green, both in "Margaux" leather.Combining...

A glasses case from the "Paka" series, born from an encounter with an old doctor's bag. The functional beauty of the frame clasp, a rounded form, supple leather and matte metal fittings. Crafted with care down to the last detail,...

POKET FIT: a compact bifold wallet designed for slimness, lightness and smooth payments. Its original layout keeps cards and coins from overlapping, so the wallet stays slim even when filled. Open the L-shaped zipper for smooth access to cards and coins. Bills...

timik airy, based on the popular “timik” model and made even smaller, thinner, and lighter.Despite its compact, near-card size of about 8.7cm wide, this trifold wallet holds cards, coins, bills, and even a key. Our original “float sewing” technique, which...

micro wallet LF / liscio®, which packs ease of payment and ample storage into a compact size.Combining an L-shaped zipper with a bifold structure, it features STUDIUM's signature functional design, giving cards, bills, coins, and keys each their own “designated...

The "Mag Bangle" fastens with a neodymium magnet clasp: the magnets naturally pull together, making it easy to put on.A mixed-material combination of scratch-resistant embossed leather with a subtle sheen and elegant harako (calf hair).The contrast between calm navy and...

Hexa Key Purse, a hexagonal piece that compactly organizes keys, coins, and an AirTag.Though small enough to fit in your palm, it has four double rings in large and small sizes, designed so you can carry multiple keys together.Inside are...

The "Nano Shoulder" combines a compact form with the functions of a wallet.Its unique structure opens and closes with a single touch: just press both sides with your fingers and it pops open.Despite its small size, it holds bills folded...

A functional reel key case that lets you carry your keys, cards and coins together in one place.Inside is a retractable reel, so you can use your keys smoothly without removing them from the case. A practical design that saves...

A business card case featuring a three-dimensional form that brings out the texture of the leather and a playful design with inside stitching.The main body uses firm, high-quality Italian leather in white cowhide. The interior features embossed Japanese cowhide and...

"Tasui" is a thin wallet that combines palm-sized compactness with enough capacity to carry cash securely.Its slim form of about 20mm includes a bill compartment, a coin purse, and three card pockets. The coin purse is designed so that coins...

The Charso Card Wallet combines leathers with different characters in a compact form.Within its clean, simple design, leathers of different textures are combined to create a subtle contrast. Though it fits in the palm of your hand, it has a...

Eber, a tote bag combining supple, lightweight artificial suede with soft cowhide.The body uses artificial suede made of ultra-fine polyester and polyurethane.It has a smooth, suede-like feel while combining durability and lightness. Weighing only about 307g, it still offers a...

A simple business card case made without metal hardware, using Belgian saddle pull-up leather.Its rich, substantial look, characteristic of saddle pull-up leather with its dense fibers and firm body, is a key part of its appeal.The color and luster deepen...

A leather tote bag with a simple vertical silhouette, accented with D-ring hardware.The body is made of full vegetable-tanned leather, carefully tanned with plant-derived tannins.While it has a firm texture, the leather softens the more you use it, and you...

Lefée, a minimal-size wallet that fuses the ruggedness of a money clip with the elegance of a curved flap.Its compact form is designed to hold bills, cards, and coins efficiently. The coin purse is placed on the outside, giving smooth...