“postman bag,” kosh's signature shoulder bag, designed with the image of a bag carried by an imaginary mail carrier. Behind its sturdy presence is a form that conveys a soft, gentle feel and a sense of reassurance. Its simple, timeless...

kosh's “postman bag small,” born from the image of a bag carried by an imaginary mail carrier. This shoulder bag is sturdily made, yet its form conveys a soft, gentle feel and a sense of reassurance. Its simple exterior hides...

*This item is made to order.Model: [Diamond]Size : 240×190×90  ~ A statement bag for women, made for parties and ceremonies ~ A classic handbag defined by the lock fitting at its center.Making the most of the leather's character, each part is cut out by...

The beautiful moon floating in the autumn night sky. Moved by its beauty, we wanted to express the same kind of beauty in kosh's craftsmanship, and the “otsukisama bag” was born. This shoulder bag is defined by its soft, rounded form....

We wanted a bag that would be your companion wherever you go. That wish gave this shoulder bag its name, “otomo.” Its appeal lies in a distinctly kosh design that combines a simple, soft-looking form with solid construction. Though small, it has...

The “midorinooka backpack” was inspired by the image of climbing a green hill in Matsubushi, Saitama Prefecture. Pairing lightweight yet durable nylon with Cape Hunt leather that preserves the natural character of the hide, this backpack showcases the expressive textures...

Created to be kosh's signature backpack, the “midorinooka backpack” is the result of extensive trial and error in everything from design and materials to sewing methods. The body is made from supple, soft cowhide, combined with Oil Shrink leather, known...

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,...

“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...

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...

The "Paka-Pochette S," incorporating the frame clasp used on doctor's bags and crafted from fine Italian leather. The wide-opening mouth lets you see everything inside and take things in and out smoothly, a practical design. You can carry everyday outing...

The "Paka-Pochette S," incorporating the frame clasp used on doctor's bags and crafted from fine Italian leather. The wide-opening mouth lets you see everything inside and take things in and out smoothly, a practical design. You can carry everyday outing...

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 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...

A leather shopper bag inspired by the brand's shopping bag, constructed from cowhide and brass.The body uses cowhide with a refined semi-aniline finish. The handles feature a brass snake chain, adding the distinctive presence of metal to the neat texture...

A leather bag that reconstructs the everyday plastic shopping bag in cowhide.The simple form characteristic of a plastic shopping bag is expressed in leather, with the brand logo stamped on the front and a barcode on the back. By transforming...

A shoulder bag inspired by a rectangular form, combining fine cowhide with a bold brass chain.The body uses finely textured smooth leather. Pairing a linear, minimal form with an extra-thick brass chain contrasts the neat texture of the leather with...

A shoulder bag unique to Martin Rychard, combining the contrasting materials of cowhide and stainless steel.Introducing the texture of metal into a simple form expresses a sharp presence that leather alone could not create.A stainless steel plate engraved with the...

A leather sacoche featuring a striking contrast between fine smooth leather and metal parts.The front features a stainless steel plate engraved with the brand logo. The shoulder strap pairs a distinctive silver snake chain, adding a sharp accent to the...

A leather tote bag that brings asymmetry and symmetry, two different expressions, into a single design.Hardware is placed asymmetrically on the front and symmetrically on the back, creating an original design whose impression changes depending on the viewing angle.The body...

A leather tote bag born from the concept of a Martin Rychard bag you can use every day.Designed with functionality and ease of use for all kinds of everyday scenes in mind, with the capacity to hold everything you carry...

A smartphone shoulder strap case combining fine smooth leather with a bold snake chain.Made from semi-aniline finished cowhide. Black leather paired with a silver-colored chain makes for a minimal design that can be worn like an accessory as part of...