This ultra-performance co-polyester string has been designed and shaped to generate maximum spin and bite potential

maintenance-free materials designed to last in all weather conditions

Larger Wilson US Open Tournament Red felt tennis balls make them easier to hit for young players in training

Runners can carry their favorite gels and nutrition products in the four designated

Adjustable temples provide a comfortable fit

Diadem Solstice Power 17 1.20 Size_08538.5 Medium (D) This ultra-performance co-polyester string hasThe Diadem Solstice Power 17 tennis string is designed with a unique six pointed star shape for maximum spin. This string is perfect for intermediate to advanced level players that want a string geared toward optimum control with a highly comfortable feel. This thinner version provides more enhanced spin with slightly less durability than the 16 gauge version. High quality co polymer. Uniquely shaped to deliver ultimate spin.