These socks are comfortable, they stay in place really well on my heel too. They should be worn with tennis shoes or sneakers so they don't show. I'm a size 8-8.5 and they fit me really well but they don't fit snuggly, but I don't need my socks to provide support so they work really well for me and I really like the nude color. I have washed them and the rubber grips weren't affected at all. Would buy from this brand again.