We bought these for my daughter who was diagnosed with Raynauds last year. She loves them and she could feel the heat in her toes within minutes for the first time in ages. They are not too compressed and easy to get on and off. She is a size 7 and we bought up to size 6.5 and they fit great. They are slightly thicker than the silver and so she is planning to wear these for the winter and then the silver for the summer months.
These socks are certainly very comfortable but if I am totally honest they don't keep my feet warm in my walking boots whilst walking through mud , rain and frosty ground outside, they do keep them nice and cosy indoors though. I would buy them again purely for the fact they are extremely comfortable.