Originally Posted by
cyclezealot
But, I am not convinced , when its below 40; that layering works with only a light weight outer shell. Does it.?.
The outer shell's purpose is to stop the elements of wind rain and snow. Below that you layer, as many layers, and each layer having the thermal properties as is needed for the temperature conditions your going to ride in. Of course layering works, you just have to have the correct layers.