The Wilson K1 Silver taps the laws of physics to put the game back in the player’s hands. New power lining technology transforms the ball’s kinetic energy into game-changing momentum for players to strike the right balance of power and control.

• OFFICIAL SIZE & WEIGHT: The size & weight used at the pro level, ideal for ages 13 and up.
• INDOOR DURABILITY: Durable composite leather cover to last during intense indoor training along with maintaining consistent performance during indoor game play.
• HARNESSES KINETIC ENERGY: The internal command lining enables players to evoke more power and velocity through the transfer of kinetic energy, enabling stronger kills.
• K1 PERFORMANCE: The K1 is designed to keep players from holding back, so that they can play to their potential with every touch.
• SOFT TOUCH: Composite leather cover provides a softer feel for intense training sessions or for younger players looking for softer impacts.
• Ball Cover Construction    Composite Leather
• Ball Playing Surface    Indoor
• Ball Size    Official
• Approved By    NFHS