NK MERC FADENike Mercurial Fade Soccer Ball PLAY WITH SPEED. Crafted with speed in mind, the Nike Mercurial Fade Soccer Ball is ready to fly into the back of the net. A machine stitched casing adds durability for long lasting play. 12 panel design provides true and accurate ball flight. Machine stitched casing enhances durability. Rubber bladder helps maintain air and shape retention. More Details 60 Percent rubber 15 Percent polyurethane 13 Percent polyester 12