Classic unisex kids / girls / boys Doc / Dr. Martens Black Side Zip Kids Leather Boots. Smooth leather fashions a classic lace-up boot with a comfy air-cushioned sole and side zip for easy slip-on wear.1' heelLeather upper/synthetic and textile lining/rubber soleSize 3 - 4, approximately. Size tag has rubbed off, please see measurements Good used condition - perfectly broken in - some normal wear, as shown