M990BK6This model runs large, you may consider ordering down from your normal size. The designers of the first 990 were tasked with creating the single best running shoe on the market. The MADE in USA 990v6 embraces this original mandate, with a series of performance inspired updates. The upper dispenses with the standard midfoot saddle, allowing the pigskin and synthetic overlays to flow from heel to toe across the mesh underlay, for a speedy, streamlined