Wilson Double Core™ Tennis Ball
-Premium tennis ball that maintains its initial "out of the can" characteristics game after game.
-The Official ball of the Davis Cup
-Double Core™ tennis ball design reduces air pressure loss.
-Uses patented material and process,
-The inner core of the tennis ball is coated with a butyl-based barrier called Air D-Fense™ by -InMat™ LLC,
-This material restricts the airflow from escaping the core.
-This new technology utilizes a coated inner core inhibits air permeation
-Maintains bounce while other balls go flat
- To keep the cover lasting as long as the core, Wilson utilizes a new felt with the highest wool content ever seen in tennis balls.

-The felt, made by Playnes, is a thicker, longer-wearing felt cover
- It is available in the following selections to match your court surface and playing conditions:
- All Court Supreme Play™ Felt.
- High Altitude All Court Supreme Play™ Felt.