Colour: dark blueFastening: VelcroSustainability: use of recycled materialsMaterial: outer part - cowhide inner part - pigskininner part 1 - recycled polyesterinner part 2 - cowhidesole - rubber Leather Leatherfeatures: Leather is a natural material of animal origin, which has its typical properties, such as scars, pigment spots, abrasions or wrinkles.