
After looking at all the negative reviews I decided to give it a try and went with the medium (I'm 5ft 7in and 158lbs). I only used these as a base layer and not for compression. I did feel compression around my knees, but otherwise I didn't feel any compression around my calves or thighs. I use it for running and am very comfortable with it. It absorbs moisture well and does not rub. As many users have mentioned, you can't just put it on and go out on your own. I wear shorts over it as it is see through in some places. I live in Northern California and running in 40-45 degrees is fine (I ran a half marathon when the weather was around 38-39 degrees Fahrenheit). If you are looking for a good base coat, this is it.

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