Co-polyester monofilament strings

Upper: Double Raschel Mesh provides lightweight durability and breathability

Includes microfiber carrying bag

This stability shoe supports smooth daily miles

this tennis racquet unlocks your "A" game

Nike GP Challenge 1.5 Men's Steam/Black/Light Silver Size:9 Co-polyester monofilament stringsPlay with confidence in the Nike GP Challenge 1. 5! Packed with Air Zoom units and lateral support, this tennis shoe ignites your inner strength. Whether you're at the net, along the baseline or even in no man's land, the Nike GP Challenge 1. 5 helps you handle whatever comes your way! What's New? Updated toe skin increases durability in high wear areas. Gusseted tongue adds security during aggressive sprints and slides. Specifically designed heel