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The Nike Vaporfly 4% Flyknit was designed based on feedback provided by the world's best marathon runners. It's no surprise, then, that all of its components were designed to enable top speeds. The revolutionary ZoomX foam provides outstanding energy return, the Flyknit upper delivers incredibly light comfort and the outsole is responsible for guaranteeing reliable traction.Jan Lau - Keller Sports Pro
ZoomX foam offers Nike's best energy-returning properties to date. For you, this means a springy running experience and perfect cushioning mile after mile.
Equipped with a breathable Flyknit upper, this shoe ensures a balanced climate within the shoe. The stretchy yet lightweight material encloses the foot, providing comfortable support.
The efficient outsole design was made to deliver traction - and the best time to benefit from this is during long runs on tarmac. The heel insert serves to protect the back of the foot.
If you want proof that the Nike Vaporfly 4% Flyknit performs beautifully at top speeds, just ask marathon pros Galen Rupp and Eliud Kipchoge. They counted on the reactivity, efficient traction and lightweight upper of this running shoe in their attempt to break a new speed record.