Head Sonic Pro Tennis String Set of Black 17g 1.25mm Running Shoe The Softer side of Fast

The Softer side of Fast - Max cushioning

Do your multifilament strings break too quickly

Our Slim FootShape™ fit is designed to give you the power and stability you need to reach full speed in each stride

a proprietary rubber-like material emphasizing elasticity in the frame’s flex

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

Head Sonic Pro Tennis String Set of Black 17g 1.25mm Running Shoe The Softer side of FastThe 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