I included a photo of a brace. Theyre not completely non-slip, and Ive had some close calls. [If you don’t hear more from me (here), please assume that I am still smiling! If you did purchase the product look to see if your headset has a serial number on it, mine did not and this deemed a fake set by Apple. In my opinion? Avoid! I wear a size 10 tennis and dress shoe and the sizing of this slipper is perfect. I use it more than I thought I would. 5) and sometimes will size up to a 41. They fit great and feel so stable. Suggested by a friend way better than the silicone plugs Apple supplies.