New Balance Men's MR769 NBx Stability Running Shoe 100% Synthetic and mesh ABZORB DTS provides a superior blend of cushioning and compression set features with Dupont Engage and Isoprene rubber for the ultimate ride ACTEVA LITE is 24% lighter than standard midsole foam with Dupont Elvaloy and Dupont Engage for optimal compression set properties TS2 post utilizes a transitional support system with multi-density medial support which creates a smooth transition from heel strike to toe-off Stability Web provides optimal arch support thats both rigid and lightweight while preventing midfoot flex