Ok, I've only tried 2, but after these I don't need to try any more! You never realize how hard your lower body works until it doesn't have to. Relieves fatigue and muscle stress. I ran farther, faster and longer than ever before the first time I wore them! A word on fit, fit your weight, not your height, otherwise you don't get the compression value. Obviously, right? But, I was worried because I'm 5'10, which is well out of the height range for medium. It works out ok, you just have to tie the drawstring a bit tighter to prevent them slipping down a bit. I agree with the other reviewer, my only problem is I have to order more!

I was so excited to recieve the CW-X Pro Insulator tights but I couldn't find a size that was comfortable! I am 5'7" at 115 lbs & both the small & medium sizes were so tight!!!! Especially around the waist!! I wanted them to fit, but just couldn't make it work! I then tried the medium CW-X Insulator Expert Tights & they fit GREAT!!!! Love them!

I wear these tights running in NYC 3-4 days a week outside and they are great! They keep me nice and warm, but don't overheat and they keep my legs feeling fresh. I don't know what I'd do in the winter without them. I used to only go to the gym, but now I don't have to in the winter!

worth the big bucks!

wow! I have been buying tights for 25 years- every kind...these are by far my favorites ever. The support is great, keeps every muscle warm. Good weight for 30-45 degree aerobic activity

My only complaint is that I love these things so much I need to buy more or do laundry every day... Very comfortable and supportive. I've worn them about 15 or so ski days so far, and they help my legs to feel good, and are reasonably warm. I still wear another layer or two when it's really cold, but they're just right for average ski weather.