The Aetrex E220 Essence Black Slip-On is made from luxuriously soft full grain leather and incorporates lining made with moisture transferring polyester fabric for maximum comfort and breathability. The E220 features 1/4 removable depth in two layers - a patented Aetrex Performance Insole and Aetrexs innovative Mozaic Customization Technologyâ„¢ for customization and fitting flexibility. Available in multiple widths: Narrow, Medium, Wide, Extra Wide.More details about product Aetrex Womens E220 Essence Slip On - Black