The sizing chart says the 5M US Big Kid should fit a 9-1/8" foot.
Although I'm a female, I decided with some trepidation to check it out as my normal foot size is a female 6.5 I thought kids shoes might be a bit tight but they fit my foot perfectly in both length and width.The velcro on the instep is easy to adjust for the width of the foot and I found the most comfortable way to adjust.The strap is long enough to put the shoes on without undoing the strap.This shoe is comfortable enough to wear all day.It seems well made so should last a while although I've been wearing it for a few days now.My daily walks are 3 to 5 miles Edit: You can see in my photos this suits my 50 year old foot very well. :-)
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