Nike Shox R4 [VERIFIED]
: The idea for mechanical cushioning was first proposed in 1984 by Bruce Kilgore, the designer of the Air Force 1.
: It took 16 years of research and development in the Nike "vault" to move from the initial prototype to a retail-ready product. nike shox r4
: The " R " stands for Running , and the " 4 " represents the four foam columns in the heel. Technical Specifications & Features Cut in half: Nike Shox R4 Review (2025) - RunRepeat : The idea for mechanical cushioning was first