What problems should you pay attention to when choosing an outdoor backpack?

For some outdoor sports enthusiasts, backpacks are essential for outdoor sports and leisure. So, for outdoor sports, what problems should be paid attention to when choosing outdoor backpacks? The following is a summary of some of the experience of outdoor sports enthusiasts! Four aspects can be explained when choosing an outdoor backpack. (1) Look at the material of the backpack is not waterproof, go out to play, it will inevitably encounter the influence of different weather; Then, the material and fabric of the outdoor backpack is important. Whether the outdoor backpack is waterproof is one of the necessary conditions to decide whether it can travel happily in rainy and snowy weather. (2) Look at the work of the outdoor backpack, the work of the outdoor backpack determines the service life of the bag, especially whether the joint of the line head is strong and wear-resistant, which reflects the importance of work. People who often backpack know that the shoulder strap part of the backpack is the most easily damaged, because there are more things to pack when traveling, therefore, it is necessary to carefully examine whether the seams of the thread ends are strong, firm, wear-resistant and compressive, otherwise it is inevitable that the backpack breaks during the journey. (3) Look at the backpack carrying system, because you have to carry the bag on your body for a long time when traveling outdoors, the shoulder strap design of the backpack is best to choose an ergonomic carrying system consisting of a decompression back, a breathable back, a waist buckle and a chest buckle. This style of bag will be more comfortable to carry. (4) Whether the size and weight of the backpack are appropriate depends on the individual. The average person chooses the backpack that suits him according to his own physical characteristics. Generally, it is best to choose a backpack that is lighter, because we are traveling outside, there are relatively many things to carry, and the heavy burden will also bother us! Generally speaking, if your trunk length is less than 45 cm, you should buy a small bag. If your trunk length is 45- Between 52 cm, you should choose a medium bag. If your torso is more than 52 cm long, you should pick a large bag.