I saw these boots presented on QVC in my long search for a comfortable tall boot that's not too tight around the calf when jeans are tucked in to them. These boots fit the bill!  They are comfortable (and the first time I wore them was a full day of teaching...no pain or discomfort 10 hours later!). I find them to run true to size for the most part. I normally wear a 6 1/2 in boots which is what I ordered. They're a bit long but not enough to be an issue. I was worried that a size 6 would be too small or tight so I stuck with the 6 1/2 and have no complaints. My only word of caution is to check the interior carefully before wearing--my first pair had a loose piece of interior lining that was clearly on the verge of ripping completely. Amazon, as always, made the exchange quick and painless, and the second pair is great!  I got several compliments the first time I wore them...even my husband noticed!