Item Type: Mountaineering BagProduct Material: NylonWeight: Approx. 800g / 28.2ozCapacity: 50L1Ergonomic Design: The mountaineering bag is designed with an ergonomic backpack system, which is lightweight, more labor saving. 2Large Capacity: Outdoor sports backpack has enough room for all the gear you will need for an extended outdoor adventure. 3Waterproof Feature: Water repellent fabric can effectively block rain and protect the contents of the bag. 4Applicable Scenes: Hiking backpack is suitable for daily leisure and outdoor activities, meeting you needs. 5Good Workmanship: Exquisite workmanship, beautiful appearance, providing you great using experience.