Premier League Strike Soccer Ball .PLAY WITH PRIDE. Designed for lasting durability, the Premier League Strike Soccer Ball combines molded grooves and a rubber bladder to help stabilize the ball during flight. Nike Aerowsculpt technology uses molded grooves to help stabilize the ball in the air. Machine-stitched casing enhances durability. Rubber bladder helps maintain shape and air pressure. 12-panel design for true and accurate ball flight.