Also there were not a lot of sizing options so i couldnt go a size up. They would be better off to leave them out of the package and including something like cheap AA Batteries. I returned because the color was not as expected. The shoes are so inexpensive that it was cheaper to buy a new pair than get the heel repaired. But what makes these my go to slip on is the memory foam inside. 5 to 6, purchased the 5 (these are the narrow fit I found upon receipt) and after a day of wearing the fit perfectly with minimal break in and no blisters! Very quiet and no noise interference and very neutral and balanced sound. The best thing about them is how they feel. AKG, hard to beat. Yes, it does turn my XPS 13 on but the dock doesnt reliably connect video on start up.