These socks are GINORMOUS.  I wear a size 6.  I was hoping for some shrinkage in the wash, but there was none :(.  The heel comes up about 2 inches past my heel and onto my achilles.  In order for them to stay up, I have to tuck them into the ankle of my leggings, lol.  Ridiculous.  Also, these are not as soft at I was hoping  they would be.  I have a plenty-pack of Avia brand gym socks that I bought from Walmart that are the perfect thin/thickness and soft.  These are thin and rough.  I do not recommend these.