"These shoes have a wide base that helps discourage wrong angle of foot. The fabric material is very thin and lets lots of air through - this is great if using it as an indoor only shoe, but would be a big problem if used for regular outdoor use. My feet never feel hot in them thanks to this air circulation. The insole of these shoes was very flat, with no arch support, but they were removable so that I could replace them with my desired green Superfeet insoles. Now they are perfect shoes to prevent leg and foot pain when standing on my feet much of the day. They fit true to size and required no "break in" period."