Upper: ChromeFree leatherPanels: ChromeFree leatherInsole: Bio-based E.V.A. (62%, including 50% sugarcane), organic cotton (25%) and others (13%)Outsole: Amazonian rubber (35%), mineral silica (23%), synthetic rubber (29%) and others (13%)Lining: Recycled polyester (100%)Straps: ChromeFree leatherMade in Brazil