Nike Vaporfly 4 Proto Men's Performance Running Shoes Sail/Black/Total Orange/White

Details:

• The special Proto version is characterized by a minimal look and a number printed on the midsole that recalls the versions tested by the best athletes in the world
• Thin mesh tongue, perforated and not integrated into the structure
• Lacing system with TPU eyelets and contoured laces to prevent them from coming undone while running
• Thinner and slimmer collar compared to the previous model with internal padding
• Flexible shell, slightly stiffer at the base and back
• Non-removable insole

ZoomX
ZoomX foam guarantees the highest level reactive energy return among the actual Nike shoes in production today. The weight of ZoomX is lower than 1/3 with respect to the Cushlon foam in essence it has all the advantages in terms of maximum cushioning at a reduced weight.

A mix very similiar to the ZoomX was used predominantly in the aerospace industry, but for some time has this innovative technology has been found in high performance shoes.

The ZoomX foam sheets are made with autoclaves in extreme heat and pressure conditions: to obtain the final component of the midsole, the product is cut into predefined shapes and then inserted into compression molds.