It is a backpack-type armor bag that is fine if it is raining with a water-repellent fabric and a waterproof fastener. Mesh fabric is used to prevent back stuffing, and cushioning material is used to prevent back pain. In consideration of usability, it is a two-stage system. The upper part can be equipped with a set of Kendo armors, and the lower part can be separately stored with Kendo wear and hakama. ●LIGHTWEIGHT!(app. 990g) ●LARGE CAPACITY!(app. 61L) ●WATERPROOF ZIPPER!and WATER REPELLENT FINISH