Originally Posted by
tjspiel
When Grant or Brent have spent a summer commuting in 90 to 100+ temps and a winter of riding in below 0 weather, I might give more credence to their advice on how to dress.
I got to skim his book a few weeks ago; he said you shouldn't commute if climate or roads are unfriendly, or really if you're going more than 3-5 miles if I remember right.