6 WILSON NCAA Wave 28.5" Intermediate Microfiber Composite Basketballs | WTB0621 For boys ages 8-12 years old &amp; girls 8 years or older 24 T3 recessed Grooves add to the normal flat panels and allow for superior ball control Minimizes the effects of dirt build up on the ball Ball comes inflated Size: Intermediate - 28.5"