Head Sonic Pro Tennis String Set of Black 17g 1.25mm Running Shoe the next generation of our

the next generation of our acclaimed racer features a new gender-tuned enhanced fit and sustainable construction to help bring new meaning to speeding towards tomorrow

High sitting for immediate & effortless access

you’ll experience a perfect fit and a more focused ride

High swing speeds - fibers stiffen for more control

• New Muscle Frame

Head Sonic Pro Tennis String Set of Black 17g 1.25mm Running Shoe the next generation of ourThe monofilament SONIC PRO string is designed for club players who need a durable, comfortable string. Your weekend games and weekly training sessions require a durable string. Try SONIC PRO. Made of unique co polymer polyester in combination with a soft molecular construction, it provides great touch and a comfortable feel while giving you a lot of power for a monofilament string. 12 m 40 ft