New Balance Women's WW927 Walking Shoe 100% Leather Rubber sole ABZORB SBS is an engineered, non-cellular elastomer designed to provide optimal shock absorption and no compression set 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 ROLLBAR TPU posting system minimizes rear-foot movement that, when combined with TS2 system, achieves the ultimate in motion control LIGHTNING DRY lining