Absolutely LOVE these boots! They are exactly as pictured and fit true to size.  Can't say enough good things!!  Only thing I could see that would be an issue is they would not work for anyone with very big calves because the fit very snug.  They do have an adjustable tie at the top that ties in the back to keep them above the knee and have a zipper down by the ankle so they are easy to put on.  My legs are small so they worked perfect for me but they fit very snug and they do not stretch at all.  I would not recommend these for anyone with very big calves though.