Built for concrete courts and asphalt arenas the Spalding Street Phantom 29.5 Outdoor Basketball has a durable rubber construction equipped to handle weeks of Sundays at the park. Its deep channels help you get your fingers aligned without a thought so you can fully focus on the ball ripping the net. High-performance rubber cover with soft grip technology Sponge rubber design Comes inflated and game ready Designed for outdoor play Official size of 29.5.