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

Material: CORE High-Intensity Nylon Multifilament

Includes HL-EL135 front light & Orb rear light

PU laminated mesh upper: enhanced ventilation with support where needed

Pair up to 7 lights and use the SYNC Core's power button or the smartphone app to turn all lights on/off

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.