Here's my combo, the rain shell could be swapped out for any of the other million brands that make basically the same thing. It's kind of pricey but versatile, warm, and lasts a looonnnngg time
Wool base layer: https://www.smartwool.com/en-us/men/base-layers/tops/mens-classic-thermal-merino-base-layer-crew/SW016349.html?dwvar_SW016349_color=001 Wool blend hoodie: https://chromeindustries.com/products/mens-merino-cobra-3-0-hoodie Rain shell: https://www.outdoorresearch.com/collections/mens-rain-jackets/products/mens-stratoburst-stretch-rain-jacket-300893