Sentence:  He gripped some of the shreds and pulled off his <WSD>vest</WSD> and the shirt beneath it, his clothing disintegrating around him. What in the hell point was there in wearing a twenty-five-pound bulletproof <WSD>vest</WSD> if you could still get gunned to death? 
Meaning of the word marked with <WSD> tags:  Any sleeveless outer garment, often for a purpose such as identification, safety, or storage.