The PENN® Championship tennis ball is the official ball of USTF leagues. It features a natural rubber core for consistent feel and reduced shock, as well as interlocked wool-fiber felt with a controlled release for longer wear and consistent nap. A bonus can of ATP tennis balls is also included.
Get your new PENN® tennis balls today from Sports Authority.
Official ball of USTA leagues
Natural rubber core
Interlocked wool fiber with controlled release
USTA and ITF approved
Seven 3-ball cans + bonus 3-ball can of ATP tennis balls (24 balls total)
ATP tennis balls feature technical-grade rubber cores and tournament-grade Smart Optik® felt