Model: RS-X Effect Perf Colour: Black Pattern: logo Fastening: lacing Material:  Outer part - textile Exterior details - nubuck - durable cowhide leather in suede finish Outer part 1 - genuine leather Insole - textile Outsole - synthetics Skin properties: Leather is a natural material of animal origin that has its typical properties, such as scars, pigment spots, abrasions or wrinkles.