These professional flood prevention rain boots are made of high-quality PVC material, offering multiple shaft heights of 35cm/34cm/27cm/26cm/14cm. With SRC-grade anti-slip performance ensuring safe walking on wet surfaces, they're specially designed for firefighters, military and rescue personnel. Supporting long-duration water operations with excellent weight-bearing capacity while controlling weight under 1.6kg per boot, they meet emergency disaster relief rapid deployment and flood control task requirements.