In Resident Evil 3, what is this vest on Carlos?

{"v":1,"info":{"title":{"content":"《生化危机3》里，卡洛斯身上这件背心到底是个啥？","en":"In Resident Evil 3, what is this vest on Carlos?"},"description":{"content":"作者：阿凯_GI卡洛斯·奥利维拉（CarlosOliveira）是安布雷拉生化危机紧急对策部队（UBCS）下属的一名雇佣...","en":"Author: Akai_GI Carlos Oliveira is a hired officer under the Resident Evil Emergency Response Force (UBCS) in Umbrera..."}},"items":[]}