Head Sonic Pro Reel of Black 17g 1.25mm 200m Asics The heel and forefoot band

The heel and forefoot band and lace Loop system

Heel wrap-up generates smoother landings

Professional and amateur players

Transparency: Materials currently sourced from Europe and Asia and manufactured in Vietnam and China

5in² or 700cm²

Head Sonic Pro Reel of Black 17g 1.25mm 200m Asics The heel and forefoot bandThe 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. Length 200 m 660 ft Gauge 1. 25 mm 17 g,