This professional water rescue life vest features a 450D waterproof Oxford fabric outer layer with EPE high-buoyancy filling material, providing ≥88N buoyancy support to ensure rescuers remain stable in rapid currents. Weighing ≤1kg, it's lightweight and doesn't restrict rescue operations. Large reflective patches on shoulders and chest enhance nighttime rescue visibility. Field-tested to protect rescuers during 18-hour continuous emergency operations, it has been successfully deployed in 176 flood rescue missions nationwide.