I have been very dissapointed that Costco chose to quit carrying Champion socks.  I have been unable to find a comparable sock since.  The ones at costco had a double reinforced and padded heal and the bottom all the way to the toe had extra padding and the top was regular weight to aide in breathing and shoe comfort.  These new Champions are almost identical to Haynes except they have some extra elastic around the arch area.  I hope they don't wear like the Hanes as those socks lasted half as long as the Champions I use to get at Costco and never were as comfortable.