I haven?t worn them to the pool yet so will have to report back later on how they hold up/perform over time. Awesome price and value. She did put deodorant on the back of her heels so it would help with blister prevention which worked, she did not get any blisters from them. the wire brush is key for a lot of the removal of the built up rust. - The two lower middle buttons ("n" and "3") prevent left clicking and dragging. Im a full-time firefighter/paramedic and are up on my feet all the time. but lacked the controllers and camera. Pick up a pair and make your feet happy. I think i could get away with the medium but i didnt want to take the risk in case it was too tight. Me quedan perfectos pero en la foto se ven de charol y no son.