New Balance Women's WW977 Walking Shoe 100% Leather Rubber sole Gore-Tex ABZORB provides a superior blend of cushioning and compression set features with Dupont Engage and Isoprene rubber for the ultimate ride ROLLBAR TPU posting system minimizes rear-foot movement that, when combined with TS2 system, achieves the ultimate in motion control ROCK STOP is a flexible protective layer that protects feet from rocks and shock, minimizing pressure, and dispersing shock energy