This professional water rescue life vest features a 450D waterproof Oxford fabric outer layer with EPE high-buoyancy filling, providing ≥88N buoyancy protection for emergency flood disaster relief. Weighing ≤1kg, it's lightweight and doesn't restrict movement. Large reflective patches on shoulders and chest ensure high visibility during night rescues. Field-tested to provide stable buoyancy support during 24-hour continuous flood control operations, it has protected 8,600 rescue personnel during 289 emergency disaster relief operations nationwide.