US Open Extra Duty Tennis Ball Men's MTB/Indoor featuring the innovative TransformAir design

featuring the innovative TransformAir design that actively streamlines airflow to reduce drag

With its lightweight sprocket carrier

The special manufacturing process reduces tension on the shoulders

Compression/cargo straps provide exceptional load control and allow gear to be carried outside of the main cavity

Includes HL-EL135 front light & Orb rear light

US Open Extra Duty Tennis Ball Men's MTB/Indoor featuring the innovative TransformAir designPlease contact us for pricing for large club case purchases. USTA and ITF approved for competitive play. Made with premium tex tech industries felt. Extra Duty: Optimal performance and durability on hard courts. High Altitute: High altitude core for best performance on court. Shipment Policy Authorized Canadian retailers, including authorized internet dealers, are not permitted to distribute, sell or ship this product outside of Canada.