1 hr ago
Nike Launches Lighter, More Responsive Alphafly 4 Marathon Shoe
Nike made a new racing shoe called the Alphafly 4.
The company says it is lighter and returns more energy than the previous version.
Returning energy means the shoe helps give some of a runner’s effort back with every step.
The shoe uses special foam, a carbon-fiber plate and air-filled pods.
Nike also says it is softer, quieter and more stable than the Alphafly 3.
Scientists tested how runners’ feet and joints move in the shoe.
Runners and athletes also gave feedback during the design process.
The shoe was created for races, especially when runners become tired near the end.
It costs $280 and will become more widely available on October 29.
Nike says the Alphafly 4 delivers 10% more energy return and is 5% lighter than the Alphafly 3.
The shoe combines ZoomX and ZoomX LT foams, a carbon-fiber Flyplate, dual Air Zoom pods and a new Light Shot outsole.
Nike says biomechanical testing found improved force loading, smoother joint rotation, reduced impact forces and better lateral stability.
The Alphafly 4 weighs 208 grams in a men’s size 10 and 168 grams in a women’s size 8.
The shoe costs $280, has an initial limited release on Nike.com and broader availability begins October 29.
- Who
- Nike, with input from athletes and biomechanical researchers, developed the Alphafly 4.
- What
- Nike launched the fourth version of its Alphafly marathon racing shoe.
- Where
- The shoe is initially available through Nike.com, with later availability at Nike.com and select retailers.
- When
- The shoe launched nearly three years after the Alphafly 3; broader availability begins October 29.
- Why
- Nike designed it to improve running efficiency, energy return, cushioning, stability and performance during races.
Key facts
- Price
- $280, approximately Rs 26,861
- Energy return
- Nike claims 10% more than the Alphafly 3
- Weight change
- Nike says the shoe is 5% lighter than the Alphafly 3
- Shoe weight
- 208 grams in a men’s size 10 and 168 grams in a women’s size 8
- Key components
- ZoomX and ZoomX LT foams, a carbon-fiber Flyplate, dual Air Zoom pods and a Light Shot outsole
- Availability
- Limited release on Nike.com, followed by broader availability on October 29
- Development history
- The technology traces back to Nike’s Breaking2 project and the Vaporfly series
Quotes
Nike spokesperson
Nike representative discussing how runner feedback informed the shoe’s design
“Nike does not design Alphafly 4 around a specific geography or demographic. Instead, the shoe was informed by feedback from runners across a wide range of backgrounds, abilities and experience levels around the world. Our goal is to understand the common needs of runners globally and translate those insights into products that can serve more athletes”
indianexpress.com
“Data helps us connect athlete feedback with measurable performance outcomes. Athlete insights help us identify the problems worth solving, while biomechanical research, wear testing and lab testing help us understand how runners move and validate how a solution performs”
indianexpress.com
Sources
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