I change sides, and air them, but launder like everything else after weekly. They don't snag on the floor. They don't sag down on my skinny legs. For your cooler seasons, on the other hand, I change to the Matches large size mild weight tactical boot sock or their large https://flyingaroundtheworldwithe69134.bloggactif.com/33635290/a-simple-key-for-eat-a-bag-of-socks-unveiled