Technology: Respira™ Model: Iridea Color: black Heel: without heel Fastening: lacing Specifications: Geox Respira technology - combines a perforated sole and a special breathable waterproof membrane Material properties: breathable Material: outer part - 100% beef leatherinner part - 53% textile, 47% synthetic sole - 100% synthetic Leather properties: Leather is a natural material of animal origin, which has its typical properties, such as scars, pigment spots, abrasions or wrinkles.Washing and maintenance: wipe with a damp cloth