After several years of my wife nagging me about the damage I was doing to my knees by cycling in very cold conditions with bare knees, I finally relented and bought a pair. WOW; I knew she was a wise old owl, but I wish I had listened to her earlier!!
I now have very toast knees, very toasty legs and I can be out for longer without pain.
I wear a pair of padded lycra short over the top (looks strange, but 'bear with') which allows me to park my bike, take my shorts off and go for a run too. Maybe they are not ideal for running, but they certainly work.
My only criticism is not due to an Altura fault or anything like it, but is down to me. I shave my legs in the Spring and Summer and allow the hair to grow [slowly] back in the Autumn. During this process the stubble catches on the fleece lining. Not a big problem by any means, but I just thought I would point it out.
Overall, I cannot recommend these enough.