Usually wear an 8 in Clarks, but 8 was a bit too short so sent them back and got the 8 1/2, which was just right.  Have had them on 5 1/2 hours so far and doing fine and will wear them the rest of the day as I will not be doing a lot of walking in them.  The leather needs to soften a bit as they rub some on my little toe - with bare feet, but think they will be fine. Love the way they look.