The straps around my foot are fine; its the ones at the top holding the sandal on that need to be adjusted. I needed an 8 for my size 7 womans foot. After reading reviews for multiple products, I ended up buying these. It is a bit light and not keeping me as warm as I would like Ah, y que la talla fuese la correcta. I use this for my Samsung s9. increasing volume only made the distortion worse (as expected). Further, string instruments lack softness and roundness. Seems somewhat durable, but I wonder if that will be the thing that might break. The reason for the three stars is because the key hole came out on two sides of the bars.