Another Calgarian weighing in:
Lower body -
Costco merino Paradox pants with these
thermal pants on top
Upper body - Costco merino Paradox base layer, fleece sweater, neon wind breaker
Feet - DeFeet merino wool socks,
Northwave Arctic Winter cycling boots lined with thermal insulating soles
Face/head -
Pearl Izumi skull cap,
Seirus fleece combo scarf, ski goggles under bike helmet
Hands -
45NRTH Sturmfist 4
Tires -
Schwalbe Marathon Winter
Visibility -
Serfas 250 lumens front light,
Planet Bike Superflash rear light and a bunch of these
stickers all over my bike.