Professional disaster-specific life jacket made of densely woven 300D polyester oxford fabric with excellent waterproof and sun-proof properties. Filled with EPE high-density polyethylene foam providing buoyancy exceeding 9.5KG. The orange-blue design offers optimal visibility in complex disaster environments, with shoulder-mounted prominent reflective patches enhancing nighttime recognition. One-size design combined with ergonomic adjustment system accommodates various rescue personnel builds. Lightweight structure enhances rescue mobility while ensuring safety. Successfully applied in 45 flood disasters and 35 flash flood and mudslide rescue operations, making it core equipment for professional disaster relief teams.