From Longman Dictionary of Contemporary Englishbody armourˈbody ˌarmour noun [uncountable] SCPclothing worn by the police that protects them against bullets
Examples from the Corpus
body armour• Staff sounded the alarm and he fled empty handed ... straight into an ambush by armed police wearing helmets and body armour.• The police should be protected by body armour.• His successors now carry body armour in their patrol cars.• Another mystery surrounds the only example of body armour to be found among the primates.• This special protection is lost if the Orc wears body armour. 