Avia Women's Avi-Union A1439W 100% Synthetic Imported Synthetic sole Shaft measures approximately Low-Top" from arch UPPER: Synthetic leather with Defender by Scotchgard for water and stain resistance MIDSOLE: Compression molded EVA with soft gel heel unit and Cantilever for exceptional cushioning and shock absorption SOCKLINER: Molded removable EVA insole OUTSOLE: Oil and Slip Resistant rubber tread pattern for enhanced grip