Fit - I normally wear a 7 1/2; however, I have ordered a few different ballerina slipper shoes from various sellers, so I've learned my lesson to upsize. For these types of shoes I upsize to an 8 1/2, especially if I'm going to wear an insole. After reading the reviews, I ordered an 8. I have to say, the size is a great fit, if anything it may fit slightly bigger than expected, but not by much at all. If you need to wear a half shoe/sole insole for arch support, I would go up 1/2 a size. If you See full review