They stay put on my earbuds and they are very comfortable in my ears. I estimate 10-15 hour battery life. warm comfy pjs It also stays out and isnt so thick it makes it unnatural. if you want a flip flop that lasts longer than a month, DONT BUY THESE! warm comfy pjs Havent worn them since. warm comfy pjs I had originally written how my fiance loved his slippers but the sizing on the slippers definitely ran a little small. Me quedaron perfectas. Complete rubbish. warm comfy pjs It says memory foam I believe not sure. I also gave four stars for battery life because it would be nice to have the option to use your own battery.
warm comfy pjs