在美国电视系列片《SWAT特警队》中,可看到,特警队员出击捕捉歹徒时,往往身穿防弹衣,保护安全。有的队员由于穿了防弹衣而在枪战中死里逃生。人们把这种防弹衣称为“特殊的时装”。防弹衣最早出现在第二次世界大战时期,当时的防弹衣实际上是原始的钢头盔加钢胸甲。第一代防弹衣称为硬式防弹衣,主要是用钢和钢合金制成前胸和后背的钢板或钢丝网。整个衣服重量约20公斤, In the American television series “SWAT SWAT Team”, we can see that SWAT team members often wear body armor to protect criminals while attacking criminals. Some players died in a shoot-out as they were wearing body armor. People call the body armor “special fashion.” Body armor first appeared in the Second World War, when the body armor was actually the original steel helmet plus steel breastplate. The first generation of body armor, known as a hard-shell body armor, is made of steel or steel alloy steel or steel mesh for the chest and back. The entire clothes weighs about 20 kg,