Ballistic inserts can be used with a soft tactical undershirt, added to the special space of the tactical undershirt to provide additional protection against rifle bullets, while the metal components or tightly woven fiber layers of the soft stab-proof tactical undershirt are stab-proof, allowing the soft armor to be resistant to stabbing and slashing attacks from knives and similar close-range weapons. Police forces, individual citizens at risk of being shot (such as national leaders), security guards and bodyguards, and other populations whose general risk is close range sharp weapon attacks are usually suitable for wearing soft stab resistant undershirts alone, while tactical undershirts reinforced with rigid ballistic inserts have higher protection and physical requirements for the wearer due to their total weight, and are mainly worn by combat soldiers, police tactical units, and hostage rescue teams that are vulnerable to The vests are worn by combat soldiers, police tactical units, and hostage rescue teams, who are at high risk of being attacked with heat weapons.