I swap sides, and air them, but launder like everything else at the time weekly. They don't snag on the ground. They don't sag down on my skinny legs. I like to get a small amount of cushion for hiking. Have a few pairs of no cushion socks for biking, https://milowjtdl.designi1.com/53873697/indicators-on-over-calf-socks-you-should-know