Q&A:
Question: Do they keep the legs warm? Answer: Yes they do! I love them, I live in Washington and they keep my legs really warm. Question: Will these fit large thick calves and thighs?
Answer: Yes, they will. They are elastic enough.
Question: Do they stay up or do you have to keep adjusting them, I don't want to buy them if they fall down my leg as I walk
Answer: My socks stay up, won't fall down when moving.
Question: Would they fit my 20 inch thighs?
Answer: Yes, it's over the knee, socks tube length is about 23.6 inches in total