Originally Posted by chipcom

Here's what works well for me between 30-45F

Poly or wool base layer
Wool sweater
J&G Wind Jacket, which is breathable and water resistant...using the front zipper and pit zips to regulate.

When colder I may add a fleece or cotton/poly sweatshirt under the jacket.
Wool will keep you both warmer and dryer...and even if you do get wet, you'll feel warm.