If I told you this is the last pair of socks you'll ever need, would you still wash it? Tsk tsk, not to get you all lazy but this is just perfect for pretty much everything, right from a long walk to a marathon and to just cozy your feet up in bed, these socks will leave you all spoiled. The best part is that the breathable bamboo fabric keeps your toes feeling fresh, all day!95% Bamboo Viscose & 5% Spandex