Upper | Vegan Corn (35% corn waste and 65% bio-based polyurethane (biodegradable) Outsole | Rubber 2mm thick for ground feel and toe splay Footbed | Anti-bacterial textile over removable molded in-sole Lining | Organic Italian textile for all day comfort Counters | 3oz full grain calfskin leather from Marche, Italy Laces | Italian organic cotton