Lightweight running shoe with exceptional shock absorption. ABZORB in heel is NB's top of the line foam material with excellent cushioning and compression set properties. A blend of DuPont Engage, Isoprene rubber and proprietary materials provides the ultimate ride. Injection molded EVA for lightweight and cushioned ride. Synthetic/Mesh upper for lightweight and breathability. Slip-on design.. Children's Shoes from HSN : Infants' New Balance KV644 - Silver/Pink Fashion and Accessories, Children's Shoes, Infants, HSN.com