What are the advantages of stab-proof clothing?

In daily life, we often see police officers wearing "waistcoat"-like clothing to maintain order. This kind of "vest" is called stab-proof clothing and is widely used in public security, armed police, military and security personnel. So what are its advantages?
1. Anti-cut: Made of some special fibers through special processes to protect users from being cut.
2. Anti-cutting: The particularity of its raw materials and craftsmanship form a force-bearing system, and it is very soft.
3. Strong puncture resistance: it can withstand puncture force ≥500N.
4. High strength.
5. The weight is very light and the movement is flexible after wearing it.
6. Compared with other protective clothing, stab-proof clothing has a larger protective area.