She wears a little girls size 6 and they are just a touch big, but not enough to change the size. There is absolutely no way they will survive even a mildest hike. I have an iPhone that I can put on the standing dock. I try to be patient with technology as I know a lot of issues are user error. They are lightweight and don?t have any areas on them that rub his little feet the wrong way. She wears a 5 but it only comes in a 4 or 6. However there are three problems:1) No automatic detection of Dolby Vision. I?m literally ordering every single color. They look good as well but didnt have a larger size so had to go with something else. I had them on for less than 1 minute before my husband questioned them.