Cork is a natural material - is the bark of the cork oak, which makes it a fabric completely organic and tough. // The process of the cork oak not rip harm the tree, as the cork oak is the only tree whose bark is autorregenera. // Initially it was extracted cork stoppers for the production - there is no material in the world that best fit for the preservation of wine - and the isolation and houses lining. // It is currently an ever more material used for various purposes, in particular for the creation of sector fashion. // The cork fabrics we use in Rutz | walk in cork are all national and, Portugal's largest exporter of cork in the world, are all high quality. // We opted for this material for the production of our shoes, not only for its natural beauty but also for being a highly resistant material, Waterproof and breathable to the foot.