Play like the all-time greats of college hoops with the Wilson(R) Official NCAA Legend Basketball. The composite all-surface cover and wide-set channels offer excellent grip, making this basketball a favorite for pick-up games. A butyl bladder ensures constant and consistent air retention and bounce through games. The durable cover and grip are ideal for use on indoor/outdoor courts, wherever you can find a hoop. Features: For indoor/outdoor play Premium composite cover is ideal for play on all types of indoor/outdoor courts Pebbled all-surface cover provides better grip in all conditions Wider channels between the panels allow for more grip points and better ball control when dribbling and shooting BASKETBALL SIZING CHART: 29.5" (size 7) ball suitable for men and boys 12 and older 28.5" (size 6) ball suitable for women and girls 9 and older and boys ages 9-12 27.5" (size 5) ball suitable for ages 9 and under Note: The above ranges are not standard across all leagues. Be sure to check with your local league to ensure applicable sizing.