My 12 year old son has skinny feet. I would normally have ordered a 6.5 M. I took the advise of others who said that they run tight and small. Boy, am I glad I did!! I ordered a 7 W and they fit fine with some room to grow through the school year. That is the only reason I scored them &#34;as expected&#34;. They have minimal arch support in my opinion. Be careful, and choose your size wisely!