Penn Championship Extra Duty High Altitude is America’s #1 Selling Tennis Ball and represents the standard by which all other tennis balls are measured. It features a controlled fiber release for consistent nap, natural rubber for consistent feel and reduced shock, and interlocked wool fiber for longer wear. Penn Championship is the Official Ball of USTA Leagues. It is USTA and ITF approved and is available in extra-duty high altitude felt for play in altitudes above 4,000 ft. Penn Championship Extra Duty High Altitude provides quality play every time you hit the court. 24 of the 3-ball cans are included in each case of Penn Championship Extra Duty High Altitude.
- AMERICA'S #1 BEST-SELLING TENNIS BALL: Penn Championship is the top choice for everyday players, clubs, and coaches - trusted for consistent quality, durability, and performance across all court types.
- HIGH ALTITUDE PLAY: Specially designed for higher elevations, ensuring consistent bounce and reliable performance even in thin-air conditions. Perfect for mountain or high-altitude courts (4,000 ft and above).
- EXTRA DUTY FELT FOR HARD COURTS: Made with long-lasting Extra Duty felt that withstands abrasive hard-court surfaces. Ideal for frequent play, training sessions, and long rallies.
- RELIABLE BOUNCE & FEEL: Pressurized construction provides a lively, predictable bounce and steady playability, helping maintain consistent performance throughout the match.
- USTA & ITF APPROVED: Officially approved for league and tournament use. Suitable for competitive matches, practice sessions, and recreational play.