Classic Nike Shox R2 Athletic leather shoes Style: Athletic shoes Sub, style: running shoes, Brand: Nike， Material: Soft Leather R2 was the new shoe released by Nike company. The technology works in a very simple way. The columns will absorb the energy from the impact of the heel and then slowly return the energy as man moves. Nike Shox R2 has the cutting edge using a quite high density columns as the energy absorbers that combine with the TPU heel counter to distribute the energy. The Shox R2 series works better in returning the energy from impact than the Air Max Series.