Model: Aerantis 4x4Color: light graySpending: lacingSpecification: Geox Respira technology – combines perforated sole and special breathable waterproof membrane, Aerantis™ technology is an air circulation system around the foot that is activated by movementMaterial: genuine leather, textilePray and maintenance: wipe with a damp cloth Skin properties: Leather is a natural material of animal origin that has its typical properties, such as scars, pigment spots, abrasions or wrinkles.