Thank you for viewing. The inside is flannel fabric, also used for blankets, so it's soft and warm. It has cup insoles, so you can remove and wash them. The heel height is 3.5 cm. Please purchase your usual shoe size. ☆ There are stains of adhesive on the sole and the body of the shoe. 　The areas of particular concern have been enlarged and photographed. 　Please check them. 　If you are concerned, please refrain from purchasing. ★ Returns and exchanges are not possible. ☆ We will ship via Letter Pack Plus (slightly compressed) or oversized standard mail. We look forward to your purchase. Women's Short boots Warm Cold protection Material...Faux leather