when kids are yelling or screaming around the house the sound breaks, sounds kind of like screeching static. Moreover, it?s not slippery which make it easier to hold the case. to start, only one worked for the first day. She has been using them for a whole week and I am impressed. If you arent going to be using them for anything rough, you should save a few dollars and get the Gritions. except minus a bottle opener. I hate wearing flip flops so got these instead. Bought these in 2018 for $30 and Im still wearing them. 5,I?ve ran and worked out in altras: esclante 1. Im not quite sure if this is the expected quality or if this was damaged but I would have trouble understanding how metal got chewed up in a padded envelope like this.