Flexible Mesh material of a running shoe in combination with cushioning and stabilization features of a tennis shoe make the Hypercourt Express HB to an unique shoe. 1.) Lightweight = faster ; 2.) Seamless Mesh material for comfort = feels like a second sock. Additional Features: DuraWrap™ XD material in front and inner zone & DragGuard™ material in toe and heel zone for durability. The perfect tennis shoe for ambitious teamplayers.