When I used to train for and run in marathons, I would wear support pantyhose under my running tights in cold weather. They kept me warm, and gave me some extra support for the last few miles. I would also wear them for a week or so after my long training run or race to help my legs recover.
I now have a deep vein thrombosis (DVT) in my left leg, which prevents me from running. The doctor actually told me to wear support hose to help the veins in my legs get blood back to my heart.
Now I have an excuse to keep my legs shaved all year, although I must admit, I hate having a DVT.
