"More freedom and convenience." The EXPAND5 series using double-sided water-repellent fabric water-tight zipper is now available. Even if it gets wet, it can be wiped off quickly, and it can be used without hesitation even on rainy days. It has a large capacity but not too large size, and a full range of functionality. It can hold A4 documents as well as a 15-inch laptop. A reliable backpack with a full capacity of 20L that can be used for overnight plans.