People who like to watch police and gangster movies will remember such a plot. Whenever confronted with gangsters, the police always wear body armor. However, I don’t know if you have noticed that almost all body armors are vests, so why should the body armor be like this? What about design? Wouldn't it be safer to wrap all limbs?
As an important personal protective equipment, the prototype of body armor can be traced back to the ancient rattan woven armor, and then the metal armor made of metal, and the most widely used currently, made of high-performance fiber fabrics such as Kevlar It is a soft body armor, but no matter what kind of body armor, although it can save lives, it can sometimes be fatal.
According to historical records, the armor worn by the soldiers of the Song Dynasty was the heaviest armor in history, weighing a full 58 pounds. In addition, they had to wear a 3-pound hat, a 12-40-pound sword, and occasionally a few more pieces of armor. This adds up to almost 100 pounds, equivalent to the weight of an adult, so it is easy to be caught alive.
Although modern soft body armor is light in weight, in order to reduce the power of bullets, dozens or even dozens of layers of fabric are superimposed. Think about it, such clothes are already out of breath when you wear them. If the joint sleeves are tightly wrapped, it is basically impossible to move, let alone fight with a gun.
At the same time, bullets on the limbs are not fatal, so for most people, vest-style body armor is completely enough to save lives.
However, under the strong request of the majority of male compatriots, a new type of body armor has emerged. It is based on the vest body armor, and a piece of cloth is added to the crotch. After all, life is important, and life is also very important.
