that is never a M 7 US that is a Women 7 US. The kit comes with everything you need for installation. I would not recommend these for people with large bunions but would recommend them for people without. Very easy to install and look very nice. (the rest were in store). I personally like it because I can still hear whats going on around me so I can stay aware. 5 so I got the 12 and fits perfect the way a sandal should-length wise but not width. 1) in Windows. Volume is reasonably high, doesnt disconnect overly often. Audio Technica claims to have used a soft outer padding, with a harder inner padding.