--- DUO series high-capacity rucksack--- A large-capacity rucksack for outdoor use of water-repellent fabric CORDURA and waterproof leather. --- original design that opens with a "gabba" --- An image of a Postman bag used by a postman. The original design realizes a snappy opening. German hook --- for --- large capacity German hooks used to secure the hood of convertibles. Even if you pack a lot of luggage, it will not pop. --- multi-dimensional cargo pocket--- Equipped with a cargo pocket on the front part. It is easily adjustable with a rubber cord. --- wallet and bag become one--- You can attach the DUO wallet to your backpack with a special hook. Even if your luggage is full, you can pay without losing track of your wallet. ---Easy to clean pad--- You can remove the pads on the back, shoulders, which are prone to sweating. It is easy to install and easy to clean. --- stable storage capacity--- Equipped with a side pocket that is indispensable for a large-capacity rucksack. D pocket on the front The interior of the backpack has a zipper pocket --- CORDURA® × waterproof leather --- A collaboration between waterproof cowhide and water-repellent fabric CORDURA®. Cowhide leather with 3M Scotchgard penetrating into the inside of the leather at the tanning stage. The fabric is made of CORDURA's® standard CORDURA1000.