The GP Challenge 1 helps you serve and swing with confidence. It features Air Zoom units and side-to-side stability. A forefoot Air Zoom unit helps you play on your toes and puts a pop in your first step.
A heel Air Zoom unit provides support. A strong midfoot plastic plate adds stability for quick cuts and power to your game when transferring energy from motion to motion. Webbing around the eyestays combined with the plate offer containment when moving side-to-side.
The heel is extra padded to help keep you comfortable and supported. Extra rubber in the toe area adds durability. High-abrasion rubber in the forefoot offers durability and traction.
The heel is specifically designed for rocker-like movements. It is designed for wear on hard court surfaces and features a cushioned insole.