Did we air-dry these, as asked for per the care Directions? Not surprisingly not. But just one pass through the washer and dryer did them very little damage, leading to some hardly perceivable warping, typical of any cotton sock. The Wellow socks present medium-firm compression (eighteen to twenty five mm https://flenzy.store/love-heart-silica-gel-non-slip-boat-socks-for-women/