Solid Primigi boots for girls. The material of the upper is Genuine leather - Nubuck. The lining is made of Insulation, Synthetic fur, Synthetic sheepskin. The insole is made of Insulation, Synthetic sheepskin and provides comfort. The sole is made from High-quality material and is very durable. This model is supported by the GORE-TEX® Insulated Comfort Footwear, Shock Absorber technology. Interesting design and great comfort.