Alrighty, here is a list of my winter-below-20 degrees-riding-attire. When I get home tonight, I'll have DH take a few pics and I'll post what I look like. ( ! )

Feet:
- whatever wool/wool blend socks I can find in my sock drawer. I don't do cotton, my feet will freeze! Learned that one while running!
- Specialized Taho cycling shoes
- Gator neoprene booties

Legs:
- cycling shorts
- heavy weight tights. These aren't cycling specific, actually they are running tights but they work wonderfully for cycling (lightweight and warm).
- wind pants. Got these at REI and love them. They aren't bulky, have zippered legs and really do stop the wind.

Torso:
- light-weight long sleeved, wicking base layer.
- long sleeved jersey
- arm skins
- storm proof jacket. Got one at REI that is water proof and wind proof. Tested it out in last Thursday's snowy afternoon ride and it worked really well.

Head/face
- Headsweats fleece skull cap
- Gator face mask. I love this thing! Keeps my face toasty, well as ear parts that the Headsweats didn't cover.
- Helmet, duh!

Hands
- Thinsulate lined, wind proof, water proof gloves. Again, not cycling specific, but they work really well.

On my ride home, if the temperatures rise above thirty degrees, I will stuff the wind pants and arm skins in my pack. I will also switch out my gloves for a pair of Specialized winter riding gloves.

Hope that helps!