This flood prevention professional vest features a 450D waterproof Oxford fabric outer layer with EPE high-buoyancy filling material, providing ≥88N reliable buoyancy protection. Weighing ≤1kg for extended operation comfort. Shoulders and chest equipped with large reflective patches ensuring high visibility in complex environments. Tested through 178 actual operations, it has protected 4,200 flood control personnel during nationwide flooding disasters, making it the equipment of choice for water emergency rescue.