After a big hike in the BC fjords back in high school, I used to wear my belgian wool army pants and hiking boots to class often. It was almost a trend, almost...

I aggressively peruse the clearance isles at TJ Maxx and other such discount retailers for those $5 wool sweaters. It don't always gotta be button down collared shirts. Wool is wool. I've even found cheap angora and cashmere that have become part of my outdoor collection. It works. $10 for a cashmere sweater is a good deal to me.