Nike Alphafly 4 Proto
Nike Alphafly 4 - Faster times are in the air.

The Alphafly 4 occupies a key position within Nike’s race-day line-up: a serious marathon racing shoe that builds on an established combination of cushioning, Air Zoom units and carbon-plate technology.

It is designed to provide a propulsive, efficient and comfortable ride to a wider range of runners than previous iterations.

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Key features

Nike Alphafly 4 Proto - Responsive Air Zoom Unit

Responsive Air Zoom Unit

Zoom Air units deliver Nike’s highest energy return cushioning system, adding more bounce into every step.

Nike Alphafly 4 Proto - Stable Flyplate

Stable Flyplate

A wide carbon-fibre Flyplate unlocks a propulsive sensation while maintaining the stability you need to go the distance.

Nike Alphafly 4 Proto - Dual ZoomX Cushioning

Dual ZoomX Cushioning

Two types of foam work together to deliver a lighter, bouncier ride with smoother transitions.

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