I bought these with the matching top to use for slow walking in cold weather. I tucked them into my sweat socks and wore them under a pair of worn thin jeans. With cloud cover and wind chill in the mid 20's my legs were toasty warm. At the end of my 45 minute slow walk the wind died down, the sun came out, and temps got into the mid 30's and my knees and inner thighs started to sweat for the last 10 minutes of my 45 minute walk. Even after I got inside and took them off, my knees and inner thighs felt clammy and sweaty for about an hour. I won't wear these again unless temps and/or wind chill are going to stay well below freezing. I'll just wear a second pair of jeans instead if temps are going to be above freezing.