GAME READY: Wet grip microfiber composite leather cover helps wick away sweat and has a game-ready feel straight out of the box SUPERIOR GRIP: Deep channel design for instant recognition along with a cushioned carcass for a true bounce BUILT FOR PERFORMANCE: Rotationally balanced butyl bladder for ultimate air retention and nylon windings for excellent structural integrity OFFICIAL SIZE: Size 7, 29.5 NAIA OFFICIAL: The official ball of the NAIA (National Association of Intercollegiate Athletics) INFLATION: Shipped inflated and we recommend 8 PSI INDOOR PLAY ONLY