Simple leather sneakers need to be made from soft material to maximize comfort. Veja's Organic Traced leather — sourced from Uruguay — undergoes a beating process to make it pliable and thus more comfortable. It can be seen on the upper of the V-90 Black Dune. The leather is tanned in Brazil using a process that requires less dye than typical and is lined with recycled polyester. A bio-based EVA insole adds comfort, while the brown rubber outsole provides contrast.