They arrived in 3 days and I ordered 2 pairs of these. I’ve tried them out a few times and they do work very well. I wear a men’s 8 so I ordered size 8 insoles. They fit like a glove in my boots. Remember, having a warm boot and wool socks are equally important. Having said that, the Pedag Solar Wool Insoles do add noticeable warmth!
Bill T.