These black professional flood prevention rain boots feature quality PVC outer material and thick cow tendon sole, with IPX7 waterproof grade or above and SRC anti-slip grade, providing complete foot protection for rescue personnel. Shaft heights: 35cm/34cm/27cm/26cm long style or 14cm short style, heel height 3cm/4cm, forefoot 1.5cm, sizes 39-45, weight under 1.6kg. Optional reflective strip style enhances nighttime operation safety. Multiple lining options suit different temperatures, making these boots ideal for flood rescue, emergency response, and post-disaster reconstruction.