La Sportiva Xplorer Approach Shoe - Women's Synthetic Upper: Airmesh/ Hi-Wear mesh/ Synthetic Leather/ Vibram&reg; rubber rand Lining: Mesh (back half and tongue only) Midsole: Dual Density MEMlex / TPU Stabilizer Sole: Vibram&reg; Idro Grip X-Traction&trade; / Impact Brake System&trade; Weight: 11.11oz / 315g