Winter Clothing Guide

Temp ranges for road, dress lighter for off-road.

50-60 degrees - Winter wool sock, sleeveless baselayer, bib shorts, knee warmers, cycling jersey, arm warmers, windproof vest, full finger glove, cycling cap.

40-50 degrees - Winter wool sock, sleeveless baselayer, thermal bib shorts, leg or knee warmers, long sleeve thermal jersey, windproof thermal vest, windproof bootie or toe cover, thermal wind proof glove, cycling cap.

30-40 degrees - Winter wool sock, sleeveless baselayer, thermal bib tights, long sleeve jersey, thermal windproof jacket, thermal booties, winter thermal glove, thermal cap and helmet with covered vents.

20-30 degrees - Winter wool sock, sleeveless baselayer, thermal bib tights, long sleeve thermal jersey, thermal windproof jacket, thermal booties, winter thermal lobster glove, neck gaitor or balaclava, thermal cap and helmet with covered vents.

In late 2013 the Iowa State Cyclocross Championships was contested in 12 degree temps. Although I don't recommend training in these temps, sometimes you have to race in them. Here is an additional post that's talks about the unique needs for racing below the 20 degree mark.