Shaft measures approximately 3" from arch
Nike Free midsole expands in multiple directions thanks to an entirely new tri-star pattern, adding a new dimension of flexibility
Softer than previous iterations, the new midsole foam delivers exceptionally comfortable cushioning and lightweight durability for miles.
Flyknit upper provides an incredible sock-like fit with targeted areas of high breathability, stretch and support
Non-stretch heel material for added structure
Rounded heel for natural range of motion
Featuring the newly designed midsole for a more cushioned ride, designed to expand and flex with every step.
Nike Mens Free Run Flyknit Running Shoes - B004U09138