The i-Run team says
The Nike Ja Fly 4track shoe for women pushes you to break your speed records in sprint events with or without obstacles.
What type of sportswoman uses the Ja Fly 4?
The Ja Fly 4 track and field spike is aimed at beginner to advanced sprint athletes.
What sports is the Ja Fly 4 recommended for?
Suitable for competitions on sprint tracks and regular training.
What distance is the Ja Fly 4 recommended for?
It is recommended for sprint events from 60m to 400m and also for hurdles.
How can the Ja Fly 4 be used?
+ The Ja Fly 4 spike is Nike's lightest sprint shoe.
+ A spike without a carbon plate, but with hexagonal embossing for a smooth, dynamic feel.
- The Zoom Ja Fly 4 spike 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 the sprint:
- Lightweight spike
- More rigid Pebax plate in key areas: propulsion and traction
- Breathable uppers, woven for more support.
What's new in Ja Fly 4?
Compared to the previous version, the Nike Ja Fly 3, this version offers:
- 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 providing extra rigidity 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 shoe has no special cushioning, as it is designed for sprinting and maximum feel on the track.
- Ja Fly 4 upper
The redesigned woven upper enhances safety and support with a lighter weight than its previous version and more breathability.
- Ja Fly 4 outsole
The new plate, which incorporates computer-designed hexagons, provides rigidity in key areas for taking off from the start line and maintaining your speed.
- 7 removable spikes for traction and support
- Spikes and keys supplied
- Non-removable insole
- Weight recorded at i-Run: 128g in size 40
- Colours: black, white and gold
For who and for which use?
Discipline : Running
Gender: Woman
Stability: Neutral
Use:
Intensive
(more than twice a week)
Surface: Track
Weight of runner: Under 65kg
Shoe weight: 128g