Sharpen your skills and raise your game to a whole new level with the Wilson Evolution Basketball. It's made with an exclusive microfiber composite leather construction and deep embossed pebbles for optimal feel and control. The patented Cushion Core Technology laid in this Wilson indoor basketball helps enhance its durability for long play. It's pebbled with composite channels for better grip to help players raise their level of game. For all positions at all levels of play during game day and every day Wilson delivers the skill-building performance that players demand. This regulation-size 28.5" Wilson Evolution Basketball is an ideal ball for high school. It's suitable for working on skills by yourself, holding a team practice or scrimmage, playing an official game on the court or a friendly game at the park. It has been approved for use by both the NCAA and NFHS.