These pants are great for climbing, hiking, and any activity that involves a comfortable, stretchy pant. I am 5'10'' and I have one pair in size 8 Long, which is pretty baggy but long enough. I truly love that pair of pants.
I just recently ordered a 4 long, which fit perfectly, besides the fact that the leg comes down about 2 inches above my ankle!! I am really disappointed, and will have have to wear these rolled up at all times to avoid looking like an overgrown teenager. I am afraid to exchange for a 6Long, because I imagine I will have the same problem...
Bottom LIne: Great pants, the LONG is not long enough.

These pants are incredibly soft, but happily I haven't noticed the waist stretching out over time. I normally wear a 10/12 and went with the 10 - they fit really well over my butt and thighs, but sit pretty high compared to many of my other pants. They're dangerously close to my belly button. The legs are wide (I can comfortably wear them with long underwear) and a long worked well for me (5'9"). I ordered the slate blue, but they look more dark purple than blue in most light. All this being said, I don't wear them often because it's hard to match the color and I have to wear long enough shirts to cover up the high waist. Pretty much just an around-the-house pair.

This is my 4th pair of these and I always get the Longs because the regular are too short - but this time the longs (slate blue) were VERY LONG - so they seem to have corrected the length. I'm exchanging for a regular length pair.
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These are my favorite new pants, and I've already been made fun of for wearing them for several days straight. They are incredibly comfortable, and are pretty cute (much better looking on you than in the picture). They aren't really fitted in the thigh, and are a wider leg with a nice drape. I'm usually an 8 or a 6 (and am actually a 10 in Patagonia), and I ordered the 6, regular length. The waist was slightly on the snug size when I first put the Cottonwood Cords on, and they quickly stretched a bit to be wonderfully comfortable. I'm about 5' 5", and they are ever so slightly long, but perfect with the right shoes. The berry color is great, and I'd say a bit darker than the picture. Now I want a pair in Slate Blue! I highly recommend these, and other Mountain Khaki pants.

I thought that I would love these cords because I have other Mountain Khaki pants. As other reviewers noted, the regular are (or maybe were) very short. I found that they ran large in the waist and stretched a lot and sat a bit too low for me. They are wonderfully soft, but I never wear them because of the poor fit/stretch.