The ER01V boots are the result of a collaboration between Guidi and Sylezeitgeist. They are made from vegetable-tanned bison leather and feature a wide round toe and double side zip. The laces are also made of leather, with a rear pull tab and snap buttons on the sides. The interior is lined with leather and the sole is made of Vibram rubber. These boots come with spare laces for convenience. Guidi hammered Leather E01 Black