I did not care for the Darned Tough; I walked the heels out of these very quickly, in boots that under no circumstances experienced that situation with any of my other socks. Our try out-on exams proved that these in good shape true to size without rubbing, friction, or blisters. https://arthuriptvz.blogs100.com/32950701/indicators-on-socks-with-magnets-you-should-know