I didn't know this how-to when i made these, but it's totally what i did, so it's even a version :)
I used child's pants, so that's why i can put them only under the knees.
Moonwalking to awesomeness!
Turn boring knee socks into something more fun.
Cute, easy, and warm.
Stevie Nicks Awesome Gathered Ruched Velvet Legwarmers
How to recycle those tight pants of yours :)
From old pants to Awesome Legwarmers and enough extra to make shorts or something