I swap sides, and air them, but launder like everything else at the time every week. They do not snag on the ground. They don't sag down on my skinny legs. Our try-on tests proved that these match true to size without rubbing, friction, or blisters. As we walked and https://flenzy.store/i-love-to-travel-socks-heart-novelty-socks-colorful-crew-socks/