Lower Body: Your legs are doing all the work so wearing any kind of rain pant is likely to get your legs quite warm, can restrict some movement, and will make quite a bit of noise. Instead find wool tights or tights with a windbreak front. MEC has a nice pair (www.mec.ca)
. If that doesn't suffice try mountaineering gaiters for just the lower legs or even spats. Spats are an English combination of a gaiter and bootie. Or take a pair of rain pants and cut off the back. I've never tried this, but it seems like it would work. You really need the protection on the front not the back.