The slipper boots are made of eco-suede on the top. Inside there is shoe blanket insulation. The front of the upper is creased, while the back is zipped for easy putting on the shoes. Flat heel provides stability on every step. Check our whole offer of boots ! When choosing the size, please refer to the size chart. 36-24/37-24,5/38-25/39-25,5/40-26/41-26,5cm