By buying these brands. Apparently the Koch brothers give hippies raging screaming fits (despite their support of Gay rights, the legalization of drugs, and stuff like that...) so there's a push to boycott certain brands they're heavily invested in.
Of course the cyclist in me saw COOLMAX® fabric, and the range rat gunny in me saw CORDURA® fabric right after that. Also it's something to note that the first half of the list reads like a building contractors shopping list, and I thought building new houses was good(?) Seriously though, that list is probably 90%+ of what's in your closet, plus what that closet is made of.