These come plenty big and long, so don't worry about that! I usually have a hard time finding a long enough length in the arms, but these were fine. They aren't fitted in the waist/crotch, so it you're looking for fitted pants, these aren't it. I have worn them skiing, here in MN, and they have done an adequate job of keeping me warm. Not sure if I would use them for extreme cold, however.
This top is very warm. Good to wear under clothing in cold days. I haven't actually skied in it yet, but I thing it will work. I am a small, but I got a medium, and it seems to be true to size since it's a bit big on me.
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