The Wilson K1 Silver utilizes the laws of physics to give players control over their game. The new reinforcing lining technology transforms the ball's kinetic energy into game-changing momentum, finding the right balance between power and control.

• Official size and weight: The size and weight used by professional players. Ideal for ages 13 and up.

• Indoor durability: Durable composite leather cover that withstands intense indoor training and provides consistent performance during indoor games.

• Harness kinetic energy: The internal command lining allows players to generate more power and speed through the transfer of kinetic energy, enabling stronger kills.

• K1 performance: The K1 is designed so that players don't have to hold back, allowing them to maximize their potential with every touch.

• Soft touch: The composite leather cover offers a softer feel for intense training sessions or for younger players who prefer a softer impact.

• Airless shipping: This ball is deflated for shipping and needs to be inflated before play.