Nike Ja Fly 4 Sprint Spikes Size:M7.0 (W8.5) The drink mix is designed

The drink mix is designed to be mixed with water containing less than 100 mg/L calcium

Moisture wicking fabric

feels fast

Component B — Hydrogel

V and Intertek China

Nike Ja Fly 4 Sprint Spikes Size:M7.0 (W8.5) The drink mix is designedBe the first to know about restocks & new drops. Register for our Speed Shop Restock List here. Nike Ja Fly 4Track and Field Sprinting SpikesFinish 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 meters. Our 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.