I don't really have an answer for your question, but I have advice =] If you put two big safety pins on the corners at the end of the bandages, then pin the bandages to themselves. If you do that, you don't even have to wear a shirt under them, and they always stay up. When I first tried ace bandages, they fell down even after 30 minutes, but after I started using safety pins I was able to wear them for 8 hours without them falling down.