conditions first:
Conditions
32-36F, 0-3C. 10km fast commute
Head:
helmet, light balaclava
Torso
long sleeved winter jersey, thin windproof vest, thin windproof/waterproof shell
Legs
roubaix bib tights (bib tights are a necessity; pants and normal tights fall off my ass!)
Feet.
wool blend work socks, cycling shoes, and neoprene booties
Hands
high quality ski gloves