The Nike Academy Soccer Ball features innovative grooves designed for consistent spin when the ball is in the air. High-contrast graphics help you easily track the ball so you can focus on your footwork. Nike Aerowsculpt technology uses molded grooves for more consistent flight. Textured casing improves grip and feel. Reinforced rubber bladder helps maintain air pressure and shape. Product Details: 12-panel design. 60% rubber / 15% polyurethane / 13% polyester / 12% EVA.