The PolySorb® Cross Trainer combines a special forefoot cushion for basketball

Polyesters

Multifilament synthetic

Players can use old tennis balls to keep score

and wide with programmable or random depth settings

Solinco Tour Bite 18 1.15 Ball Type_Regular Duty The PolySorb® Cross Trainer combinesWith a thin 18 gauge for enhanced ball feel and bite, the newly developed Solinco Tour Bite 18 1. 15 tennis string is a high performance and versatile polyester designed to generate extreme power and intense spin and bite. It uses an innovative, high powered polyester monofilament fiber designed and shaped to generate maximum power. Amplifies the spin and bite intensity of the ball. Polyester string.