OTZ Shoes Women's Semis Leather Flats Shoes Black Synthetic Imported Premium goat leather upper is unlined The Minimalist last provides a slimmer contoured fit TPR (Thermo Plastic Rubber) outsole CORKminimalist footbed made from 5mm PolyU The OTZ tattoo is debossed on the lateral side and the OTZSHOES logo is printed onto the cork cover.