The upper and insole of the boots are made of ecological leather, while the interior is covered with textile material. The boots have a zip fastening. They have studded buckle straps. A massive platform will ensure stability on every step. Check out our other boots collection! When choosing the size, please refer to the size chart. 36-23,5/37-24/38-24,5/39-25,5/40-26/41-26,5cm