The Nike Strike Soccer Ball is ready to fly into the back of the net. A textured casing and stabilizing grooves help you put the ball right where you want it. Nike Aerowtrac grooves allow consistent spin when the ball is in the air. Textured casing offers great touch and feel on your foot. Machine-stitched casing optimizes shape, feel and durability. 12-panel design provides true and accurate ball flight. Rubber bladder helps maintain air pressure and shape.