“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,...

The “kinchaku bag” was inspired by the reassuring feeling of the drawstring pouches our mothers gave us to carry as children. Through much trial and error in design, material selection and sewing, this drawstring bag was crafted with close attention...

LE'SAC’s second brand, quattro gatti series.Stingray leather is a rare, luxurious leather known as the “jewel of the sea” for its beautiful sheen and outstanding durability.Its surface is covered with countless calcium-rich granules that give off a distinctive luster, as...

LE'SAC’s second brand, quattro gatti series. A full-fledged leather belt, 35mm wide, made lavishly from fine python leather. The beautiful pattern and distinctive texture unique to python add a characterful, refined presence even to simple outfits.The buckle is made in...

LE'SAC’s second brand, quattro gatti series.A full-fledged leather belt, 35mm wide, made lavishly from fine crocodile leather.The beautiful scale pattern and luster unique to crocodile add a subtle presence even to simple outfits.The buckle is made in Italy. Its refined...

“postman bag,” kosh’s signature shoulder bag, designed with the image of a bag carried by an imaginary mail carrier. Sturdily constructed yet soft and gentle in appearance, it features a reassuring, rounded silhouette. Within its simple design, it offers the...

■The Appeal of Stingray LeatherStingray is a rare luxury leather known as the "jewel of the sea" for its beautiful shine and outstanding durability.Its surface is covered with countless calcium-rich granules, giving off a unique luster as if studded with...

■The Appeal of Stingray LeatherStingray is a rare luxury leather known as the "jewel of the sea" for its beautiful shine and outstanding durability.Its surface is covered with countless calcium-rich granules, giving off a unique luster as if studded with...

■The Appeal of Stingray LeatherStingray is a rare luxury leather known as the "jewel of the sea" for its beautiful shine and outstanding durability.Its surface is covered with countless calcium-rich granules, giving off a unique luster as if studded with...

A playful drawstring bag inspired by the "kibidango pouch" that appears in the tale of Momotaro. The traditional drawstring pouch has been reinterpreted with kosh's own sensibility into a design that combines an original form with ease of use. Unlike...

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 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...

"Bao kinchaku" is a drawstring bag with a striking, plump, rounded form like a steamed bun. Though simple at first glance, carefully placed tucks and the gathered drawstring give it a distinctive, three-dimensional look. The main material is soft, supple...

A compact coin case made with Alaska leather from La Perla Azzurra, a long-established tannery in Tuscany, Italy. Valuing the sense of reassurance you feel when you hold it, it is crafted with careful attention to design, stitching and leather...

kosh's L-shaped zip wallet, designed for a reassuring feel in the hand and ease of use. Through extensive trial and error in everything from design and stitching to the thickness of the leather, it has been finished as a wallet...

■The Appeal of Stingray LeatherStingray is a rare luxury leather known as the "jewel of the sea" for its beautiful shine and outstanding durability.Its surface is covered with countless calcium-rich granules, giving off a unique luster as if studded with...

■The Appeal of Stingray LeatherStingray is a rare luxury leather known as the "jewel of the sea" for its beautiful shine and outstanding durability.Its surface is covered with countless calcium-rich granules, giving off a unique luster as if studded with...

■The Appeal of Stingray LeatherStingray is a rare luxury leather known as the "jewel of the sea" for its beautiful shine and outstanding durability.Its surface is covered with countless calcium-rich granules, giving off a unique luster as if studded with...

A compact L-shaped zip wallet made with Italian Alaska leather. Crafted with a focus on the reassuring feel in your hand, this wallet is the result of extensive trial and error in its design, stitching and even the thickness of...

A compact U-shaped zip wallet made with Italian Nebraska leather. With a zipper that opens in a U shape, it is a functional design that, despite its compact size, keeps bills, coins and cards neatly organized. Inside, three card pockets...