These heels have been made from eco leather. This model is fastened around the ankle with an adjustable buckle strap. Set on a stiletto heel. The soft insole has also been made from eco leather and will provide comfort when worn. This model is perfect for business meetings, parties or family events. When choosing a size, please refer to the size chart. 36-23,5/37-24/38-24,5/39-25,5/40-26/41-26,5cm 36-23,5/37-24/38-24,5/39-25/40-25,5/41-26cm