I have worn these boots everyday for work as a window cleaner so walking on lots of hard surfaces and after 5 months the soles and grip are still in very good condition , In terms of comfort these have beaten Merrell boots easily along with the overall quality these boots are by far the best I have ever bought . Soft, good sole, comfortable. Which is a bummer because even one iota of improvement in the mic would be worth keeping due to the other great features. Turned it on the next morning and to my utter amazement, it works as if nothing had happened to it and it continues to work and charge just fine here a month later. They last all day. I am happy with it After using it for a few days I see a diffence. the material is soft,doesnt make lump between my toes,stay in place and would not slip up. Staub und Schmutz schneller entdecken kann und somit ggf. At first I thought these slippers were too light for me.