Rnhood knows his fabrics. Powerdry is my favorite synthetic. But my favorite base layer for cool weather is a midweight Smartwool

https://www.smartwool.com/default.cfm#/Mens/Apparel/Baselayer/_/264/?title=Official%20Site:%20%20SmartWool%C2%AE%20feels%20good.%20(%20Product:%20Men's%20Midweight%20NT S%20Solid%20Crew%20)