New Balance Women's WO1320 Running/Hiking Shoe 100% Synthetic and mesh Rubber sole ABZORB provides a superior blend of cushioning and compression set features with Dupont Engage and Isoprene rubber for the ultimate ride C-CAP is a compression-molded EVA for superior midsole cushioning and flexibility Gore-Tex XCR Vibram outsole Stability Web provides optimal arch support thats both rigid and lightweight while preventing midfoot flex