The i-Run team says
The men's Nike Ja Fly 4 aathletics shoe helps you break records in all your sprint events with or without obstacles.
What kind of sportsperson should wear the Ja Fly 4?
The track and field cleat Ja Fly 4 is aimed at beginner to advanced sprint athletes.
What is the Ja Fly 4 for?
Suitable for sprint trail competitions and regular training sessions.
What distance is the Ja Fly 4 for?
It is recommended for sprint events from 60m to 400m and also for hurdles.
What is the Ja Fly 4 designed for?
+ The Ja Fly 4 cleat is Nike's lightest sprint model.
+ A cleat without a carbon plate, but with hexagonal dimples for a smooth, dynamic feel.
- The Zoom Ja Fly 4 cleat is not intended for long distances (middle distance/long distance).
Why choose the Ja Fly 4 athletics shoe?
It is designed for the specific needs of sprinting:
- Light cleat
- More rigid Pebax plate in key areas: propulsion and traction
- Breathable and woven upper for more support
What's new about the Ja Fly 4?
Compared to the previous model, the Nike Ja Fly 3 is designed for:
- Reduced weight
- A new, more supple woven upper for greater support: the upper part of the shoe wraps around the foot
- A computer-designed Pebax sheet provides extra stiffness in key areas
- ‘Straight' Nike Racing laces with slight elasticity to lock the foot in place
Features of the Ja Fly 4
- Ja Fly 4 cushioning
This model has no special cushioning, as it is designed for sprinting and maximum feel on the trail.
- Ja Fly 4 upper
The redesigned woven upper improves safety and support with a lighter weight than its previous version as well as more breathability.
- Ja Fly 4 outsole
The new plate, which incorporates computer-designed hexagons, provides rigidity in key areas for taking off well from the start line and maintaining your speed.
- 7 removable cleats for traction and support
- Studs and Allen keys supplied
- Non-removable insole
- Weight recorded at i-Run: 135g for size 42
- Colours: fluorescent pink, black and orange
For who and for which use?
Discipline : Running
Gender: Man
Stability: Neutral
Use:
Intensive
(more than twice a week)
Surface: Track
Weight of runner: Under 75kg
Shoe weight: 135g