Backpack---It can be said that it is a must-have equipment in outdoor activities. No matter what form of outdoor activity you take part in, you will always have a backpack that fits your activity needs. A backpack that is one of the most popular equipment in outdoor activities

  product. Due to their different usage requirements, they have different "stature" and "appearance" from each other. So, as their users, do we really understand their true appearance?

As outdoor equipment, the backpacks we commonly use in outdoor activities are the outdoor products we have the most contact with. They are very different from the sports backpacks we use in our daily life in terms of specific functions, manufacturing processes and materials. With the continuous development of design concepts and craftsmanship, the all-color and bulky canvas military backpacks have already become special-purpose products of various colors and various fabrics. In the current outdoor market, backpacks are the most diverse, targeted and functional products. In terms of characteristics, they have emphasis on light weight, some emphasis on strong and durable; in terms of volume, there are small capacity and large capacity; in terms of function, there are mountaineering, hiking, ice climbing, caving, and cycling. used and so on. Today's outdoor backpacks are not simply a tool for us to carry equipment. In special cases, it can even be turned into a warm sleeping bag or a stretcher for saving lives and wounds. The essence of outdoor products is to meet the needs of people in outdoor activities.