Those $20 Wrangler hiking pants have been a very nice surprise. They're the best way I know to keep a constantly growing boy in non-cotton outdoor activity pants. I resisted for a long time but finally sprung for Kuiu raingear; even the sale price made me angry but it's worked well so far.

Some of the best hunting clothes I've spent money on is this stuff; durable, warm, and quiet: https://asbellwool.com/