New Balance Women's WR1012 Nbx Motion Control Running Shoe 100% Synthetic and mesh Rubber sole N-ergy is a resilient engineered elastomer designed to provide shock absorption and responsiveness for the optimal ride Stability Web provides optimal arch support thats both rigid and lightweight while preventing midfoot flex Full-length ABZORB strobel board provides a superior blend of cushioning and compression set features with Dupont Engage and Isoprene rubber for the ultimate ride PHANTOM LINER is seamless lining