The high upper in the form of a "sock" will ensure a perfect fit. Made of flexible material. They have an eco leather heel counter. The shoes have a rubber and non-slip sole. They have a material insert inside. The toe is slightly tucked in. These shoes are a total HIT, so you should have them in your wardrobe! When choosing a size, please use the size chart. 36-23,5/37-24/38-24,5/39-25/40-25,5/41-26cm