Zoom Ja Fly 4 runpromed run-friendly length that delivers coverage

run-friendly length that delivers coverage without restricting mobility

wind-repellent recycled polyester

the leather upper offers a classic look with a secure

ABC Sensors: Navigate confidently with an altimeter for elevation

Heel-to-Toe Drop: 5mm (36mm heel/31mm forfoot)

Zoom Ja Fly 4 runpromed run-friendly length that delivers coverageExperience unparalleled speed with the Nike Zoom Ja Fly 4, an elite level sprint spike engineered for athletes competing in 60m to 400m events. Designed for sprinters seeking a lightweight and aggressive spike, the Ja Fly 4 offers a secure fit and optimal stiffness to maintain top speeds. Approximately 9% lighter than its predecessor, enhancing performance on race day. Computationally designed hexagonal plate delivers optimal stiffness for maintaining