futile. Slightly awkward to get over the earphone but once they?re on they?re brilliant. They are comfortable, but a little odd in the foot bed - its ribbed, and always feels a little odd when first put on. If I have to walk around, I just switch to my more supportive shoes and reverse the process once I resume sitting. I wore them two times so far at Halloween events for 4-6 hours each time. puma slides (RENEWED) NOT BRAND NEW. Lets hope the second phone is BLUE! Do waist trainers in general have permanent effects ? Honestly, I?m not entirely sure. These are smart enough for work and are without a doubt the most comfortable trainers I?ve ever owned.