I was EXTREMELY hesitant to buy boots online, as footwear can be so tricky to get right without trying it on first, but I am so happy that I took a chance on these.  I've got an athletic calf and wasn't sure if I should do the C/D or regular M...I also wear 7.5 usually and wasn't sure if I should go up half a size just to be safe.  Well, got the 7.5M boots in Mushroom, and they fit like a dream!  I wouldn't be able to wear them with skinny jeans because they are perfectly fitted around the calf (and not that I want to wear skinny jeans anyway), but they will look very good with skirts, dresses, and possibly under boot-cut jeans (we'll see on that one).  The soles are comfortable, they appear to be very well put together, and the colour is gorgeous.  I couldn't be happier with these boots, and that was one reason I wanted to leave feedback: they do have decent calf space - even the normal, non-wide width boots, and the sole is true to size.  If you want to wear thick socks with these, maybe go up half a size, and if your calf is bigger than 15.6", might want to go C/D...but that's just a suggestion.  Love these guys, and just waiting for it to get cooler "Down Under" so I can start wearing them!!  (Oh, and the International Shipping through Amazon was FANTASTIC!  They came a whole week sooner than the estimate and for a very fair price.  Thank you, Amazon!!)

EDIT (22/05/2013) - Just received these boots in black.  I wanted the black because the brown ones are so great and still holding up after all this time.  I was incredibly uncertain about buying them at first based on the reviews that said they were more distressed and not as black as in the photo, but on receiving them, I am beyond thrilled.  They are as comfortable as the brown ones (expected), and the black is distressed (and, admittedly, not a deep black), but they look....awesome.  Better than awesome, but I can't think of a better adjective this morning.  Sooo happy I bought them...now I have 2 pairs of the most comfortable shoes in the world! :)  Yay!!