Nike Mens Free RN 2018 Running Shoes

Circular-knit upper with spandex provides lightweight comfort Dynamic Fit technology integrates Flywire cables through the laces for an adaptive, supportive fit Co-molded midsole (injected Phylon foam and a injected unit sole) for a smooth, ride Dynamic heel fit system utilizes a stretchy collar to secure and support from heel to ankle Anatomical heel (rounded to roll with the ground) allows for a more natural range of motion Tri-star outsole pattern provides flexible cushioning Textured added u