Footwear

摘要

An article of footwear including an upper having a bottom surface of predetermined length; an outsole positioned exteriorly of the upper; a midsole positioned between the outsole and said upper and being of about the predetermined length; a shank positioned between the midsole and the upper and having an upper surface and a bottom surface and being of about the predetermined length that extends from a heel region to a toe region; and first and second rollers incorporated into the bottom surface of the shank and extending is spaced, parallel relation to one another from the heel region towards the toe region.