I seem to have very narrow heels and slipped while walking out the back always. A number of small to buy also did not go, because it really fits me perfect shoe. So I made myself a little cunning and backward purely stuck me Geleinladen because thick socks just look shit * cough *. Sometimes it slips yet, but it does not bother me. The shoes are super convenient and you can run it super. When I write run, I mean run. We often I ran just to train on the shoes and there was no problem.
My sole has quite a few flaws, but I not located as bad, because I really exploiting and for the price everything is fine :) I wear now been 2 months intensively!
Conclusion: + Cheap Alternative + Super comfortable + Good workmanship + Robust
