5M in regular shoes, but a size 7M in Vionics. This involves hiking up and down grass, dirt, shrubbery and cement hillsides. Let me start with some basics about the packaging, and then Ill go from there. No volume control. They are very sturdy, I have them mounted in a concrete wall with the supplied bolts and anchors. Happy purchase Looks great The call quality was just okay but I wouldnt think that anyone takes a call with Bluetooth headphones as the microphone is always placed too far away from your mouth. Amazing ?? I first marinated for only 1 hour and had great taste. The sound remains clear even on very cluttered tracks as well as in games and movies/shows.