On November 14, 2010January 1, 2011By Nicholas P, Chief ReviewerIn Inov-8, Running Gear Reviews Inov-8 road running shoes did not disappoint. The Road-X 222 is one of the best minimalist running shoe I’ve ever worn. Even though it has a 3mm differential, it did not affect my running form. And it gets better. Find out why! Read Inov-8 Road-X 222 shoe review.