Unisex Nike Air Zoom Ja Fly 4 US Men's Size (Women's):6.5 (8.0) It offers flexibility when your

It offers flexibility when your foot rises off the ground

rocker shape geometry

Dual bottle pockets for carrying up to 1L of hydration

The sleek and comfortable upper features a recycled engineered mesh and Topo's signature roomy toe box

Generative plate design combines zones of stiffness and flexibility

Unisex Nike Air Zoom Ja Fly 4 US Men's Size (Women's):6.5 (8.0) It offers flexibility when yourFinish through the tape 1st in the Nike Ja Fly 4, a sprint spike made to help you set personal records in everything from the 60 to 400 metres. The lightest Nike Sprint spike sports a revamped plate for enhanced stiffness and an updated upper for better breathability, so you can stay focused on doing your best. An updated woven upper gives you security and containment at a significantly lighter weight than the Ja Fly 3, but with more breathability. A