These HALLHUBER mules come in a classic natural tone and are made from sustainable smooth leather. The partially intertwined straps are accentuated with beaded studs, while the square shape accentuates the leather mules' stylish appeal. think forward. With chrome-free tanning, the leather is tanned using synthetic or plant-based substances and without the use of chromium salts. This process is considerably more environmentally friendly than standard leather-tanning processes. Furthermore, the leather is produced by a certified tannery of the “Leather Working Group”, which puts the focus on reducing the negative environmental impact of leather production.