ITF and USTA approved

Introducing the choice of champions: Wilson Championship Regular Duty tennis balls

Fits all racquets

Compression tubes on each side assist patellar tracking

The 17 gauge still offers plenty of durability and provides slightly better feel than thicker gauge strings

Superfeet All-Purpose High Impact Support COLLECTION-Activity-Trail ITF and USTA approvedSuperfeet All Purpose High Impact Support insoles offer support where you need it most, absorbing shock from every step to reduce stress on your entire body. Formerly known as Superfeet Orange, these insoles feature an energizing foam pad at the forefoot for people who are hard on their feet. Designed to replace the removable liner in roomy footwear, the Superfeet All Purpose High Impact Support insoles are perfect for high impact activities!