Model: Classic Ultra Mini Colour: Black Heel: no heel Fastening: without fastening Specifications: easy to put on and take off Material:  Outer part - genuine leather inner part - wool Inner part 1 - Lyocell Inner part 2 - recycled polyester Material Type: Genuine Leather Sustainability: the product is made from a special Repreve® fibre that is obtained from recycled plastic bottles Skin properties: Leather is a natural material of animal origin that has its typical properties, such as scars, pigment spots, abrasions or wrinkles.