Model: Twins Color: Black, Blue Heel: no heel Fastening: lacing Specification: OrthoLite® insole Material Type: Genuine Leather Material:  Exterior - 84% genuine leather, 16% rubber Lining - 100% recycled polyester sole - 100% ethylene vinyl acetate (EVA) Washing 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. Sustainability: use of recycled materials