When it comes to running, going the extra mile isn’t just a figure of speech. Whether it’s morning exercise, intense training, or head-clearing relaxation, a daily regimen of training miles, combined with ordinary movement throughout the day, demands a lot from a running shoe. With running comfortably for longer in mind, the 880 was built to provide consistent performance for the neutral runner. The Fresh Foam X 880v12 is modernization that can be seen and felt.