Specification :

Nike Shox R3 Mens Running Shoes replaces the rubber heel columns that have been the hallmark of the Shox line with air-filled pillars. According to our tests, this new design results in soft heel cushioning, but testers noted that the nike shox experience II shoe' s overall ride felt firm. This could be due to the plastic footbridge Nike uses to address the abrupt heel-to-forefoot transition that plagued the original Shox design. Recommended for runners with normal to high arches who don' t overpronate