Waterproof Hiking Equipment Leggings Shoe CoversFEATURES Fully prevent sand and snow from entering the shoes Sand sets of equipment is one of the activities under the harsh natural condition essential. In snow and desert conditions, it can prevent sand and snow from penetrating into the shoes, avoid footwear, and play a protective role on the ankle to a certain extent Composite waterproof and breathable 420D nylon, Waterproofindex is above 19000mmH2O Moisture permeability index is above 7000g 24h