I love that theyre made in the U. Not sure if the black pair are made by someone else, but they are extremely tight around my feet to the point I really considered sending them back (both colors size 11-12). Its generally not slippery wearing these slippers, although they did feel slippery on my garage floor for some reason. When I first turned it on I was a bit freaked out. Probably need extra wide next time. My husband and I just got the iPhone 12 and weren?t aware that we needed these. 5 and as you can see in the photo my toes still hang over. My only complaint is they run a tad small. Do NOT purchase this brand. I now believe with the reading of this novel I have completed Mr Koontz entire back catalogue which leaves me fulfilled but also a little empty.