>>686442Actually, false.
British cotton windproof smock is awesome. As is anything ventile. Equally regular cotton windshirts in subzero are very useful, equally, when you build a lot of fires (how many holes are there in my technical hardshell... hmmm..)
Personal preference is like
>>685875 Which is shag pile lining under a pertex windproof outer, covered in zips (you can unzip from waist up to pit, along to elbow), and then for natural materials - a heavy wool shirt jacket - pic related.