Some reported headset not working when tested, I tested all 4 and all works. The shaft is too narrow to be able to walk in them, mainly because the calf is lower than the design allows. I?m actually surprised they give you 3 pairs plus a little carrying case for the cost. We bought this product, not for shoes, but to use on our cruise! They are comfy yet don?t completely collapse when you put weight on them. Entweder waren sie zu klein, zu eng oder verursachten bei ihm Schweißfüsse. Finally, I got rid of 3 cables on my desk! And we are both very happy! Fantastic footwear - not at all slippery ?? I am a size 6 UK. After reading the review, I went with size 4 (Im normally 4.