Wilson Championship Extra Duty Tennis Ball 4-packs (12 balls) Auxetic In addition to the main

In addition to the main compartment

it's lighter and more responsive than the 11

2 external pockets for water bottles or ball cans

No-Show Fit for a Clean LookDesigned to stay hidden under most low-profile athletic shoes — ideal for those who want the sock to disappear without compromising comfort

Wilson Championship Extra Duty Tennis Ball 4-packs (12 balls) Auxetic In addition to the mainThe Championship Extra Duty ball lives up to its name with a battle tested mindset and unquenchable spirit. Sporting Dura Weave felt for improved durability on all court surfaces, recreational players can have fun and feel confident using this ball anytime, anywhere.