- The Prince NX Tour Ball is the premium tennis ball for high performance and longer lasting play.
- Aimed at children aged 8 and under
- 75% Slower
- Felt material
- Stage 3
- Get high quality performance with the Wilson Championship Extra Duty Tennis Ball. Wilson has been in the business longer than most so it is no surprise that their tennis ball is top of the line. Featuring exclusive Dura-Weave felt, you will get greater durability, better consistency from shot to shot, and increased performance. Extra Duty felt is intended for outdoor court surfaces.