New Balance Men's BB889E Basketball Shoe 100% Synthetic and mesh Rubber sole ABZORB EX is a combination of New Balance's premium ABZORB foam and a peripheral pocket of non-pressurized air that is encapsulated in an engineered thermoplastic ABZORB provides a superior blend of cushioning and compression set features with Dupont Engage and Isoprene rubber for the ultimate ride Herringbone outsole