Sonic Pro 17g Strings Black

Made from uniquely refined co-polymer polyester with a soft molecular construction, the new Head Sonic Pro string offers superior control and touch for extra pop and spin. This exceptionally durable string offers excellent response and playability that meet the demands of todays best players. Sonic Pro is one of the softest polyester strings on the market.

Gauge: 17 / 1.25 mm

Length: 40' / 12.2 m

Composition: Monofliament Copolymer Polyester

Color: Black

Need help selecting a string? Check out our Choosing The Right Tennis String Guide for more assistance.