As I could not find these shoes anywhere locally, I had to use trial and error to get to the right size. for a small ammount of time ,they should be ok Also, the screws that hold the pads in place do not go through the metal, so they dont scratch the posts of the cage. When Razer announced this I skeptical about the time latency. It looked great and clean, just didnt feel clean. These are on the darker side whichnis exactly what I needed. Always been happy with cros but not this time! the vinyl is not that convincing and could be improved. I tried troubleshooting it so many ways but nothing worked. Ninguno puede.