Nike Size Chart
The Nike Ja Fly 4, is a sprint spike made to help you set personal records in everything from the 60 to 400 meters. 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.
MAIN EVENTS: 60-400m, 60-400m H
Colour: White
- Significantly lighter weight than the Ja Fly 3, with more breathability
- A completely new plate using computationally designed hexagons delivers stiffness in key areas to help you fly off the starting line and maintain speed throughout the race
- Fits small, we recommend ordering a half size up
Please ensure you measure your feet accurately. All footwear is final sale.
Helpful links:
- Click here to view the men’s Nike footwear size chart.
