Color: grey Fastening: lacing Specifications: OrthoLite ®insole Sustainability: use of recycled materials, material from recycled PET bottles Material: genuine leather, recycled polyester, pork skin, rubber Washing and maintenance: wipe with a damp cloth Skin characteristics: Leather is a natural material of animal origin that has its typical properties such as scars, pigment spots, abrasions or wrinkles.