Co-polyester monofilament strings

A reinforced heel design and specially engineered midsole provide medial support

this tennis racquet unlocks your "A" game

Enjoy a secure fit while you sprint in the engineered mesh upper

Upper: Double Raschel Mesh provides lightweight durability and breathability

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