The V-12 Model Is Made Out Of Ecological And Sustainable Materials. - Upper In Leather - Panels Made Out Of Leather - Logo V Made Of Rubber - Lining In Jersey (33% Organic Cotton & 67% Recycled Polyester) - Insole Made Out Of Wild Rubber And Other Synthetic Materials - Sole Made Of Wild Rubber From The Amazonian Forest (25%) - Made In Brazil, In The Region Of Porto Alegre