EL NATURALISTA Another original and great looking design that has been hand stitched from El Naturalista. This unique shoe has been made from Stream leather, a leather that has been churned for weeks and greased in a slow and delicate procEL NATURALISTA Another original and great looking design that has been hand stitched from El Naturalista. This unique shoe has been made from Stream leather, a leather that has been churned for weeks and greased in a slow and delicate process.