Professional life jacket specifically designed for water disaster rescue environments, made of densely woven 300D polyester oxford fabric filled with EPE high-density polyethylene foam providing buoyancy exceeding 9.5KG. The orange-blue design offers optimal visibility in complex water disaster environments, with shoulder-mounted prominent reflective patches enhancing nighttime search efficiency. Multi-point adjustment system ensures comfortable fit for rescue personnel of various body types, while lightweight structure maintains mobility during extended rescue operations. Features quick donning design for rapid equipment in emergency situations. Has participated in 125 flood disaster rescue operations and 78 earthquake-induced secondary flood emergency response actions nationwide, becoming standard equipment for professional disaster relief teams.