Wilson NBA Forge Wow Basketball - Size 7, Black/Grey DUAL DEPTH TECHNOLOGY: A re-engineered channel creates a deeper pocket to improve grip and enhance your feel for the game. PureFeel Cover: Pro-level feel for better performance and longevity. Air Retention: A specialized inflation retention lining creates longer lasting air retention. NBA Official: Wilson is the official basketball of the NBA. This ball features official NBA branding coupled with the iconic Wilson script.