As a person reviewer wrote, “I understood once I tried these on they’d be great. I wore them day-to-day about the trip walking 15K to 20K ways daily. I didn’t break them in previous to the vacation. No blisters or rubbing and SO snug!” Flat feet want more arch assist https://www.linkedin.com/pulse/run-better-harder-best-running-shoes-flat-feet-comfort-khurshid-pkiqe/