Nike - Women's Zoom Gp Challenge 1 ShoesWhen fashion meets function. This shoe is built for speed, stability, and durability. Featuring forefoot and heel Air Zoom units, it delivers responsive cushioning and support with every step. Extra rubber in key toe areas enhances durability, while high abrasion rubber in the forefoot ensures traction on hard court surfaces. Designed for quick, dynamic movementsincluding serve ready rocker actionthis shoe helps you stay light on your feet and ready