The New Balance CT1004 is the latest update to the very popular CT1003. The CT1004 is a high performance tennis shoe that offers the ultimate in breathability, cushioning and durability. The CT 1004 remains a technical, supportive, cushioned tennis shoe featuring S-Curve technology that enhances the shoe's performance attributes. Abzorb SBS cushioning in the heel/forefoot for superior shock absorption, performance, and comfort. NDurance outsole combines with high abrasion toe tip for maximum durability on courts. Lightning Dry lining keeps feet dry and comfortable. Lightweight synthetic/mesh upper ensures lightweight support.