FWIW you need windproof clothing. No amount of movement will keep your joints/muscles warm if any warm air generated is constantly blown away.
I am currently cycling in sevre cold conditions wearing only thin base layers, and windproof outer layers. Windstopper (or similar) stuff works well.
Great british weather thread. There are a few 'its cold' threads, this one has the most discussion.
http://www.lfgss.com/thread507-48.html
or this one.
http://www.lfgss.com/thread16122-2.html#post1797740
FWIW you need windproof clothing. No amount of movement will keep your joints/muscles warm if any warm air generated is constantly blown away.
I am currently cycling in sevre cold conditions wearing only thin base layers, and windproof outer layers. Windstopper (or similar) stuff works well.