- 防弹背心 fángdànbèixīn bulletproof vestA vest designed to protect the body from bullets and shrapnel; also called [[防弹服|防彈服|fang2 dan4 fu2]] or [[防弹衣|防彈衣|fang2 dan4 yi1]]
- 吊带背心 diàodàibèixīn camisolea sleeveless top for women, typically held up by shoulder straps
- 毛背心 máobèixīn knitted vesta sleeveless garment or vest knitted from wool yarn
- 汗背心 hànbèixīn undershirttank top or sleeveless undershirt, typically made of cotton and worn close to the skin to absorb sweat
- 浮力调整背心 fúlìtiáozhěngbèixīn buoyancy control deviceBCD; buoyancy compensation device used in scuba diving