[Equipment knowledge] basic knowledge of outdoor backpack: the structure of the backpack

In outdoor gear, backpacks are indispensable and the public is most concerned about them. So let's take a look at the structure of the backpack.

1. Volume: The backpack is generally in units of liters. Depending on the application, the number of volumes that can be purchased is also different. It is forbidden to purchase large-capacity backpacks once and for all.

2, carrying system: In short, the part of the backpack and the body, including the belt, shoulder strap, chest buckle, support structure or what is called the carrying system. The purpose of the carrying system is to make backpackers more comfortable and to perform some outdoor sports and backpack activities in the right posture. An ergonomic carrying system allows for a more rational distribution of weight and avoids excessive stress.

3, belt: wide and thick belt can transfer most of the weight to your waist, reducing shoulder strength, this is very important.

4, strap: excellent strap is thick, can be referenced between the equivalent price.

5, bracket: generally in the piggyback system.

6, fabric: backpack commonly used fabrics are ordinary nylon and DuPont's Cordura two. Ordinary nylon fabrics are light in weight, have good strength, are quick-drying and are not prone to mildew. The disadvantage is that they are not wear-resistant and are easily ignited. Cordura is also a kind of nylon, which is a synthetic fiber. It has the characteristics of tear resistance, abrasion resistance and anti-perforation. Generally, the bottom of the backpack is about 1000D.

7, buckle: this is not much, the buckle is broken, the system is not too strong to force the point.

8, shrink belt: need to pay attention to the process, do not easily deform the kind, you can try it, look at it. It would be nice if it could be recovered.