The Chiruca Troll GORE-TEX children's boots are designed with waterproof split leather. They contain GORE-TEX Performance Comfort lining and the sole is made of bi-density polyurethane. In addition, they have a reinforced toe and rearfoot.Features:Waterproof split leatherWater repellent CorduraReinforced toe and backDrawstring fastening with tankaGORE TEX Performance Comfort liningTwo-density polyurethane soleWeight: 256gTechnology:GORE-TEX Performance ComfortGarments made with GORE-TEX fabric provide maximum comfort and protection in a wide range of activities and weather conditions. The GORE-TEX membrane is water and wind resistant ensuring that no water gets in while allowing your feet to breathe. How is this achieved? Its pores are 20,000 times smaller than raindrops, but 700 times larger than water vapour molecules.