adidas TERREX MID GTX K Wading around in puddles is great fun. The adidas TERREX MID GTX K kids' hiking boots ensure little feet stay dry and comfortable, even on wet and challenging terrain. They have a water resistant / breathable GORE-TEX® membrane. The lightweight EVA cushioning ensures exceptional comfort in every step. The Continental™ rubber outsole for exceptional traction on wet and dry surfaces. adidas TERREX MID GTX K