I ride through the winter in N California so my version of cold is laughable to some of you, 30-60 degrees f in the winter. I found that waterproof jackets hold the sweat so your wet anyway. Last year I went with wool and seems to work the best. Atleast if I am wet I am warm. Am I missing something? I was thinking my jacket just may not be vented enough? should I try a more breathable waterproof jacket?