Evolve your game with one of the most popular high school game balls in the country . the Wilson evolution indoor game basketball. Developed with a microfiber composite leather cover . the evolution Wilson basketball features laid-in channels that enhance grip ability. A cushion core carcass gives every player an exceptional feel. This product remains taut after lots of play . giving you the right amount of bounce for dribbling . passing . or making backboard shots. This ball is designed to hold up to play after play . offering consistent performance for multiple games. It’s approved by multiple athletic organizations for use in official games.