Sports Authority

The Gamma(r) Revolution Foam Warm Up tennis balls are designed with both beginning and accomplished players in mind. The oversized design incorporates a Magnacore that offers a bounce similar to standard tennis balls.
Features:
- Accomplished players use them for warming up because it's easier on their arm and less effort when one begins to playQ2 ball pack
- Designed for beginners and accomplished players alike
- Magnacore offers bounce similar to standard tennis ball that makes an easier target for beginners
- Oversized design
This description was also provided by: Dick's Sporting Goods, FogDog Sports