I stand on my feet all day when working and average between 25,000 and 45,000 steps a day. after a few hours the first day wearing these my feet were absolutely killing me. The only thing different was these socks. I rotate my shoes (Brooks,Merrell and Asics) daily.  I did a lot of research before buying these socks and they were consistently rated at the top. These socks actually put my feet in so much pain I had to go buy another pair of socks so I could finish the day at work.