Product details:
Spalding's new flagship tournament game ball features proprietary cutting-edge ZK microfiber composite leather cover with exceptional durability and playability, a unique symmetrical panel design for great precision and consistent play. A rotationally balanced butyl bladder for ultimate air retention and consistent rebound, a 100% nylon windings for maximum structural integrity and shape retention and a responsive cushion carcass and deep channel design for superior control. Official size measures 29-1/2?circumference. Intermediate size measures 28-1/2?circumference. NFHS approved.