All surface. Wilson is the official ball of the NCAA. Wave triple threat technology. Phenom. Revolutionary patent pending technology designed to maximize player performance, 24 T3 Grooves create leverage points to increase ball control which enhances. Touch Shooting: Extra grooves allow your fingers to find the optimal leverage point for perfect rotation every time. Grip Passing: Increased control allows your fingers to find the ball while you find the ball while you find the open player. Control Dribbling: Better grip means a truer handle for a quicker crossover and fewer turnovers. Maximum Grip Cover; dual tone rubber cover. Recommended Sizes for Basketballs: All boys 12 years of age or older. Intermediate: All girls 8 years and older, boys 8-12 years of age. Contents: 1 basketball.