I change sides, and air them, but launder like everything else when weekly. They don't snag on the ground. They do not sag down on my skinny legs. To the cooler seasons, on the other hand, I change into the Matches large size light body weight tactical boot sock or https://flenzy.store/girl-with-red-hair-american-flag-socks-print-novelty-socks-flag-crew-socks/