From Blundstone, the Women's Original Water-Resistant Leather Clogs feature: Premium water-resistant leather upper Slip on design Antibacterial PU Comfort Air footbed Polyurethane midsole Vibram® outsole for enhanced grip Flat heel Imported. Styling Notes: All Blundstone boots have the AU/UK size stamped on the bottom of the boot. All sizes above have been converted to US sizes; please choose your typical US ladies' size.