Suede Skeleton runners covered in rhinestones. A saffian leather patch with the brand lettering is featured on the heel counter. Lace up fastening. 3D print polyurethane sole. Inner lining and removable insole.UPPER #1: 100% COW SPLIT LEATHER | UPPER #2: 100% COW LEATHER | LINING #1: 100% SHEEP LEATHER | INSERT #1: 100% ZINC (ZAMAK?) | INSERT #3: 100% GLASS FIBRE | INSOLE #1: 100% THERMOPLASTIC POLYURETHANE (TPU) | OUTSOLE #1: 100% THERMOPLASTIC POLYURETH