New Balance Men&#39;s MR8511 Running Shoe,White/Red,8.5 EE,New Balance,MR8511WR  08.52E" /> 100% Synthetic and mesh NB ZIP is strategically located struts engineered between top and bottom plates, formulated for optimal cushioning, responsiveness and durability ABZORB 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 Ndurance is a rubber compound for maximum durability used in high wear areas ABZORB provides a superior blend of cushioning and compression set features with Dupont Engage and Isoprene rubber for the ultimate ride