Colour: whiteHeel: no heelFastening: no fasteningSustainability: use of recycled materialsMaterial: outer part - cowhide inner part - cowhideinner part 1 - pigskininner part 2 - recycled polyestersole - TPUMaterial Type: Genuine Leather Skin features: Leatheris a natural material of animal origin, which has its typical properties, such as scars, pigment spots, abrasions or wrinkles.