MASTER-PIECE
Established in 1994, MASTER-PIECE is a Japanese brand that seamlessly fuses utility-driven design with high functionality. Each bag is crafted with meticulous attention to detail, offering a refined balance between practicality and aesthetics.









Eco-friendly, high-performance material
The main fabric is "ECOPAK™" by CHALLENGE SAILCLOTH, a U.S.-based manufacturer. This high-durability, waterproof recycled polyester is both functional and environmentally responsible.

ECOPAK™ features a multi-layered structure that ensures durability and water resistance without the use of harmful coating materials. Additionally, the fabric itself is recyclable after use, reinforcing its sustainable design.





Minimalist functionality
The front pocket is sized for easy smartphone storage, allowing quick access when needed.



Front compartment
Features two pockets, perfect for storing cards and small essentials. A built-in key hook provides convenient access to keys.

Back compartment
Includes a single pocket sized to fit passports and other valuables.





The detachable shoulder strap allows for standalone use. Additionally, the rear attachment enables secure mounting onto backpack shoulder straps, enhancing versatility.



The zipper pull features an integrated whistle, making it a functional companion for emergency situations.





Versatile usability
Designed for standalone use or seamless integration with other bags, this accessory offers exceptional adaptability. Its minimalist look is infused with the thoughtful craftsmanship that defines MASTER-PIECE.