There is one big elephant in the room that needs to be revealed before I write this post. I hate leggings. I have tried to like them, I got a few pairs in black to wear under shorter length dresses that I thought were a bit too indecent for me to wear with just tights, but frankly, I hated them. They wrinkled on my knees, seemed to roll off my tummy and just about drove me to distraction. My leggings were very quickly consigned to the recycling bin. But when I was asked if I wanted to review a pair of thermal leggings from Heat Holders, I said yes very…