Children's hiking boots by Big Star are perfect for colder days! Inside insulated with a pleasant to the touch shoe cover. Made of eco leather. Zipper closure. The heel is reinforced. The Memory Foam System insole remembers the shape of the foot, ensures a proper fit, absorbs shocks and is resistant to deformation. The structure of the foam allows moisture to evaporate and regulate temperature. When choosing a size, please refer to the size chart.3019/3120/3221/3321,5/3422/3523 cm